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Anatomy
Anatomy is a branch of biology that is the consideration of the body plan. It is a general term that includes human anatomy, animal anatomy and plant anatomy .... . This list is not necessarily complete or up to date - if you see an article that should be here but isn't (or one that shouldn't be here but is), please update the page accordingly.
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This page aims to list articles related to anatomy
Anatomy
Anatomy is a branch of biology that is the consideration of the body plan. It is a general term that includes human anatomy, animal anatomy and plant anatomy .... . This list is not necessarily complete or up to date - if you see an article that should be here but isn't (or one that shouldn't be here but is), please update the page accordingly.
In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity.... - abdominal aorta
Abdominal aorta
The abdominal aorta is the largest artery in the abdominal cavity. As part of the aorta, it is a direct continuation of descending aorta .... - abducens nerve - abducens nucleus
Abducens nucleus
The abducens nucleus is the originating nucleus from which the abducens nerve emerges - a cranial nerve nucleus. This nucleus is located beneath the fourth ventricle in the Anatomical terms of location portion of the pons, Anatomical terms of location to the sulcus limitans.... - abducent
Abducent
Abducent can refer to:* As a anatomical terms of motion, the term abducent is applied to a structure that is "abducting." This term is often applied to abducting away from the median plane.... - abducent nerve
Abducent nerve
The abducens nerve is a ?somatic efferent? nerve that controls the movement of a single muscle, the lateral rectus muscle of the eye. Homologous abducens nerves are found in all vertebrates except lampreys and hagfishes.... - abduction
Anatomical terms of location
Standard anatomical terms of location are employed in sciences dealing with the anatomy of animals to avoid ambiguities which might otherwise arise.... - accessory
Accessory
Accessory may refer to:*Accessory , a person who assists a criminal but is not present at the crime*Accessory , with members Dirk Steyer and Ivo Lottig... - accessory cuneate nucleus
Accessory cuneate nucleus
The accessory cuneate nucleus is located Anatomical terms of location to the cuneate nucleus in the medulla oblongata at the level of the sensory decussation .... - accessory nerve
Accessory nerve
In anatomy, the accessory nerve is a nerve that controls specific muscles of the neck. As a part of it was formerly believed to originate in the brain, it is considered a cranial nerve.... - accessory olivary nucleus - accommodation reflex
Accommodation reflex
The accommodation reflex is a reflex action of the eye, in response to focus on a near object, then looking at distant object , comprising coordinated changes in vergence, lens shape and pupil size.... - acetabulum
Acetabulum
The acetabulum is a :wikt:concave surface of the pelvis. The femur head meets with the pelvis at the acetabulum, forming the hip joint.... - Achilles tendon
Achilles tendon
The Achilles tendon , also known as the calcaneal tendon or the tendo calcaneus, is a tendon of the posterior leg. It serves to attach the gastrocnemius and soleus muscles to the calcaneus bone.... - acoustic nerve - acromion - adenohypophysis - adenoids - adipose - aditus
Aditus
An aditus is the opening to some interior space or cavity.Anatomy * laryngeal inlet* Entrance to the mastoid antrumReferences... - aditus ad antrum - adrenal gland
Adrenal gland
In mammals, the adrenal glands are the star-shaped endocrine glands that sit on top of the kidneys; their name indicates that position . They are chiefly responsible for regulating the stress response through the biosynthesis of corticosteroids and catecholamines, including cortisol and adrenaline, respectively.... - adrenergic
Adrenergic
An adrenergic is a medication, or other substance, which has effects similar to, or the same as, epinephrine . Thus, they are a kind of sympathomimetic agents.... - afferent
Afferent
Afferent is an anatomical term with the following meanings:*Conveying towards a center, for example the afferent arterioles conveying blood towards the Bowman's capsule in the Kidney.... - afferent neuron - agger nasi
Agger nasi
The agger nasi is a small ridge on the lateral side of the nasal cavity. It is located midway at the anterior edge of the middle nasal concha, directly above the atrium of the middle meatus.... - agnosia
Agnosia
Agnosia is a loss of ability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss.... - agonist
Agonist
An agonist is a term used to describe a type of Ligand or drug that binds and alters the activity of a Receptor . The ability to alter the activity of a receptor, also known as the agonist's efficacy is a property that distinguishes it from receptor antagonist, a type of receptor ligand which also binds a receptor but which does not alter t... - alar ligament
Alar ligament
The alar ligaments connect the sides of the dens to Tubercle s on the medial side of the occipital condyle.They are short, tough, fibrous cords that attach the skull to C2 vertebra and function to check side-to-side movements of the head when it is turned.... - albuginea - alimentary - allantois
Allantois
Allantois is a part of a developing animal conceptus . It helps the embryo exchange gases and handle liquid waste.The allantois, along with the amnion and chorion , identify humans as amniotes, along with reptiles, dinosaurs, birds, and other mammals.... - allocortex
Allocortex
The allocortex is a part of the cerebral cortex characterized by fewer cell layers than the isocortex, or neocortex .The specific regions of the brain normally described as part of the allocortex are:... - alpha motor neurons - alveolar artery
Alveolar artery
Alveolar artery may refer to:* Superior alveolar artery, which divides into 2 parts:**Anterior superior alveolar artery**Posterior superior alveolar artery... - alveolar process - alveolus (disambiguation)
Alveolus (disambiguation)
Alveolus is a general anatomical term for a concave cavity or pit that may refer to several more specific structures:* In anatomy:** Pulmonary alveolus, an air sac in the lungs... - alveus of the hippocampus
Alveus of the hippocampus
The alveus of the hippocampus borders the wall of the lateral ventricle and is composed of white, myelin. The alveus arises from cell bodies in the subiculum and hippocampus, and eventually merges with the fimbria of the hippocampus.... - amatory anatomy
Amatory anatomy
Amatory anatomy, sometimes referred to simply as "anatomy," is a historical type of English poetry whereby the author describes his or her appreciation for their lover's body parts.... - amaurosis
Amaurosis
Amaurosis is vision loss or weakness that occurs without an apparent lesion affecting the eye . It may result from either a medical condition or from excess acceleration, as in flight.... - Ammon's horn - ampulla
Ampulla
An ampulla was, in Ancient Rome, a "small nearly globular flask or bottle, with two handles" . The word is used of these in archaeology, and of later, often handle-less flasks for holy water or holy oil in the Middle Ages, often bought as souvenirs of pilgrimages.... - Ampulla of Vater - amygdala
Amygdala
The are almond-shaped groups of neurons located deep within the medial temporal lobes of the brain in complex vertebrates, including humans. Shown in research to perform a primary role in the processing and memory of emotions, the amygdalae are considered part of the limbic system.... - amygdalofugal pathway
Amygdalofugal pathway
The amygdalofugal pathway is one of the three principal pathways by which fibers leave the amygdala, a limbic system structure in the temporal lobe of the brain.... - amygdaloid
Amygdaloid
Amygdaloid, derived from the Latin for almond, can refer to:* the amygdala in the brain.* any almond shape* a volcanic Rock Texture in which small volatile cavities or vesicular texture are filled with secondary minerals.... - amylacea
Amylacea
Amylacea is a Latinate biology word meaning starchy. It derives from the Ancient Greek language amylon , which means starch..It is used in the following terms and names:... - anaesthesia - analgesia - analogous
Analogy (biology)
Two structures in biology are said to be analogous if they perform the same or similar function by a similar mechanism but evolved separately.... - anastomosis
Anastomosis
An anastomosis is a network of streams that both branch out and reconnect, such as blood vessels or leaf veins. The term is used in medicine, biology, mycology and geology.... - anatomical pathology
Anatomical pathology
or is a medical specialty that is concerned with the diagnosis of disease based on the gross examination, Histopathology, and Molecular pathology examination of organ , tissue , and whole bodies .... - anatomical position - anatomical snuffbox - anatomical terms of location
Anatomical terms of location
Standard anatomical terms of location are employed in sciences dealing with the anatomy of animals to avoid ambiguities which might otherwise arise.... - anatomical terms of motion
Anatomical terms of motion
The movement of body structures is accomplished by the contraction of muscles. Muscles may move parts of the skeleton relatively to each other, or may move parts of internal organs relatively to each other.... - anatomy
Anatomy
Anatomy is a branch of biology that is the consideration of the body plan. It is a general term that includes human anatomy, animal anatomy and plant anatomy .... - anconeus - angiography - angiology
Angiology
Angiology is the medical specialty which studies the diseases of circulatory system and of the lymphatic system, i.e., arteries, veins and lymphatic vases, and its diseases.... - angular gyrus
Angular gyrus
The angular gyrus is a region of the brain in the parietal lobe, that lies near the superior edge of the temporal lobe, and immediately posterior to the supramarginal gyrus; it is involved in a number of processes related to language and cognition.... - anhidrosis
Anhidrosis
Anhydrosis means lack of sweating. It is also known by a number of other names including Adiaphoresis, Ischidrosis, Hypohidrosis, Oligidria, Oligohidrosis and Sweating deficiency.... - animal morphology - anisocoria
Anisocoria
Anisocoria is a condition characterized by an unequal size of the pupils.... - ankle
Ankle
In human anatomy, the ankle joint is formed where the foot and the human leg meet. The ankle, or talocrural joint, is a synovial hinge joint that connects the distal ends of the tibia and fibula in the lower limb with the proximal end of the talus bone in the foot.... - ankle reflex
Ankle jerk reflex
The ankle jerk reflex, also known as the Achilles reflex, occurs when the Achilles tendon is tapped while the foot is dorsiflexion. A positive result would be the jerking of the foot towards its plantar surface.... - annular ligament
Annular ligament
The Annular Ligament is a strong band of fibers, which encircles the head of the radius, and retains it in contact with the radial notch of the ulna.... - annulus of Zinn
Annulus of Zinn
The annulus of Zinn, also known as the annular tendon or common tendinous ring, is a ring of fibrous tissue surrounding the optic nerve at its entrance at the apex of the Orbit .... - anomaly
Anomaly
An anomaly is any occurrence or object that is strange, unusual, or unique. It can also mean a discrepancy or deviation from an established rule.... - anomia - anosognosia
Anosognosia
Anosognosia is a condition in which a person who suffers disability due to brain injury seems unaware of or denies the existence of his or her disability.... - ansa cervicalis
Ansa cervicalis
The ansa cervicalis is a loop of nerves that are part of the cervical plexus. It lies superficial to the internal jugular vein in the carotid sheath.... - ansa lenticularis
Ansa lenticularis
The ansa lenticularis is a part of the brain, making up the superior layer of the Substantia innominata. Its fibers, derived from the medullary lamina of the lentiform nucleus, pass medially to end in the thalamus and subthalamic region, while others are said to end in the tegmentum and red nucleus.... - anterior cerebral artery
Anterior cerebral artery
The anterior cerebral arteries are a pair of arteries on human anatomy that the supplies oxygen to most medial portions of frontal lobes and superior medial parietal lobes.... - anterior choroidal artery
Anterior choroidal artery
The anterior choroidal artery originates from the internal carotid artery, though it will rarely arise from the middle cerebral artery.... - anterior commissure
Anterior commissure
The Anterior Commissure is a bundle of nerve fibers , connecting the two cerebral hemispheres across the midline, and placed in front of the columns of the Fornix of brain.... - anterior communicating artery
Anterior communicating artery
In human anatomy, the anterior communicating artery is a blood vessel of the brain that connects the left and right anterior cerebral artery.The anterior communicating artery connects the two anterior cerebral arteries across the commencement of the longitudinal fissure.... - anterior corticospinal tract
Anterior corticospinal tract
The anterior corticospinal tract is a small bundle of descending fibers that connect the cerebral cortex to the spinal cord. It is usually small, varying inversely in size with the lateral corticospinal tract, which is the main part of the corticospinal tract.... - anterior cranial fossa
Anterior cranial fossa
The floor of the anterior fossa is formed by the orbital plates of the frontal, the cribriform plate of the ethmoid, and the small wings and front part of the body of the sphenoid; it is limited behind by the posterior borders of the small wings of the sphenoid and by the anterior margin of the chiasmatic groove.... - anterior cruciate ligament
Anterior cruciate ligament
The anterior cruciate ligament is one of the four major ligaments of the knee. It connects from a posterio-lateral part of the femur to an anterio-medial part of the tibia.... - anterior ethmoidal foramen
Anterior ethmoidal foramen
Lateral to either olfactory groove are the internal openings of the anterior and posterior ethmoidal foramina .The anterior ethmoidal foramen, situated about the middle of the lateral margin of the olfactory groove, transmits the anterior ethmoidal vessels and the anterior ethmoidal nerve; the nerve runs in a groove along the lateral edge o... - anterior ethmoidal nerve
Anterior ethmoidal nerve
The anterior ethmoidal nerve is a nerve which provides sensory branches to the nasal cavity. The branches it gives rise to are called the internal and external nasal branches of the anterior ethmoidal nerve, and the external branch ultimately innervates skin on the lateral sides of the nose.... - anterior funiculus
Anterior funiculus
The most lateral of the bundles of the anterior nerve roots is generally taken as a dividing line that separates the antero-lateral region into two parts, viz., an anterior funiculus, between the anterior median fissure and the most lateral of the anterior nerve roots; and a lateral funiculus, between the exit of these roots and the postero-lateral... - anterior horn cells - anterior horn of the lateral ventricle - anterior hypothalamus - anterior inferior cerebellar artery
Anterior inferior cerebellar artery
The anterior inferior cerebellar artery passes backward to be distributed to the anterior part of the under surface of the cerebellum, anastomosing with the posterior inferior cerebellar branch of the vertebral.... - anterior limb of the internal capsule - anterior lobe of cerebellum
Anterior lobe of cerebellum
The anterior lobe of cerebellum is the portion of the cerebellum responsible for mediating unconscious proprioception.In alcoholics, it can deteriorate.... - anterior nucleus of the thalamus - anterior perforated substance
Anterior perforated substance
The anterior perforated substance is an irregularly quadrilateral area in front of the optic tract and behind the olfactory trigone, from which it is separated by the fissure prima; medially and in front it is continuous with the subcallosal gyrus; laterally it is bounded by the lateral stria of the olfactory tract and is continued into the u... - anterior pituitary
Anterior pituitary
The anterior pituitary comprises the Anterior#Usage in human anatomy lobe of the pituitary gland and is part of the endocrine system. Unlike the posterior pituitary, the anterior lobe is genuinely glandular, hence the root adeno in its name.... - anterior root - anterior spinal artery
Anterior spinal artery
In human anatomy, the anterior spinal artery is the blood vessel that supplies the anterior portion of the spinal cord. It arises from branches of the vertebral artery and is supplied by the anterior segmental medullary artery, including the artery of Adamkiewicz, and courses along the anterior aspect of the spinal cord.... - anterior spinocerebellar tract - anterior superior alveolar artery - anterior tibial artery
Anterior tibial artery
The anterior tibial artery of the lower limb carries blood to the anterior compartment of the leg and Dorsum surface of the foot, from the popliteal artery.... - anterior vertebral muscle - anterior white commissure
Anterior white commissure
The anterior white commissure, also known as the alba anterior medullae spinalis, is a bundle of nerve fibers which cross the midline of the spinal cord just anterior to the gray commissure .... - anterolateral region of the neck - anterolateral system
Anterolateral system
In the nervous system, the anterolateral system is an ascending pathway that conveys pain, temperature , and crude touch from the periphery to the brain.... - antidromic
Antidromic
For most neurons, their dendrites, soma , or axons are depolarization forming an action potential that moves from the starting point of the depolarization toward the axons of the neuron.... - antihelix
Antihelix
On the pinna , a curved prominence of cartilage, parallel with and in front of the Helix , is called the antihelix, also known as the anthelix; this divides above into two crura, the crura antihelicis, between which is a triangular depression, the fossa triangularis.... - antrum
Antrum
In Biology, "Antrum" is a general term for a cavity or chamber which may have specific meaning in reference to certain organs or sites in the body.... - annulus fibrosus
Annulus fibrosus
Annulus fibrosus or anulus fibrosus may refer to:*Fibrous rings of heart ? fibrous ring of heart*Annulus fibrosus disci intervertebralis ? fibrous ring of intervertebral disk... - annulus tendineus
Annulus of Zinn
The annulus of Zinn, also known as the annular tendon or common tendinous ring, is a ring of fibrous tissue surrounding the optic nerve at its entrance at the apex of the Orbit .... - anus
Anus
The anus is an opening at the opposite end of an animal's digestive tract from the mouth. Its function is to expel feces, unwanted semi-solid matter produced during digestion, which, depending on the type of animal, may be one or more of: matter which the animal cannot digest, such as coprolite ; food material after all the nutrients have b... - aorta
Aorta
The aorta is the largest artery in the human body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation.... - aortic body
Aortic body
In the human heart, the aortic body is one of several small clusters of chemoreceptors, baroreceptors, and supporting cells located along the aorta.... - aponeurosis
Aponeurosis
Aponeuroses are layers of flat broad tendons. They have a shiny, whitish-silvery color, and are histologically similar to tendons, but are very sparingly supplied with blood vessels and nerves.... - apophysis
Apophysis
Apophysis is a fractal flame editor and renderer for Microsoft Windows. It was created by Mark Townsend by translating Scott Draves' original C code into Delphi programming language and adding a graphical user interface.... - appendage
Appendage
An appendage in the broadest sense is an additional or subsidiary part existing on, or added to, something which can generally still function if the appendage has never existed or is later provided or grown, or will still perform a primary function if the appendage is removed.... - appendicular skeleton
Appendicular skeleton
The appendicular skeleton consists of 126 bones in the human body which make motion possible and protects the organs of digestion, excretion, and reproduction.... - appendix
Vermiform appendix
In human anatomy, the appendix is a blind ended tube connected to the cecum , from which it develops embryologically. The cecum is a pouch-like structure of the Colon .... - aprosody
Aprosody
Aprosody refers to the lack of variations in normal speech characteristics, such as speed, tone, and varied emphasis. It is mentioned in the context of medical diagnosis, similar to ataxia and aphasia.... - aqueductal stenosis - aqueous humor - arachnoid - arachnoid granulations - arbor vitae
Arbor vitae (anatomy)
The arbor vitae is the cerebellum white matter, so called for its branched, tree-like appearance. It brings sensory and motor information to and from the cerebellum.... - archicerebellum - archicortex
Archicortex
Archicortex is basically categorized under allocortex. It is any Cerebral cortex with fewer than six areas, specifically three layered hippocampal cortexes.... - archipallium
Archipallium
In anatomy of animals, the archipallium is the oldest region of the brain pallium .The archipallium is often considered contiguous with the piriform cortex, but the extent of the archipallium varies among species.... - archistriatum
Archistriatum
The archistriatum refers to regions of the avian brain which partially overlap regions homologous to the amygdala of mammals. These regions have formerly been referred to as epistriatum or amygdaloid complex, and a recent change of nomenclature has divided the region into the arcopallium and posterior pallium amygdala... - arcuate line
Arcuate line
In anatomy, an arcuate line is any structure that is curvilinear.* Arcuate line * Arcuate line ... - arcuate nucleus
Arcuate nucleus
The arcuate nucleus is an aggregation of neurons in the mediobasal hypothalamus, adjacent to the third ventricle and the median eminence. The arcuate nucleus includes several important populations of neurons, including: Neuroendocrine neurons, Centrally-projecting neurons and Others.... - area postrema
Area postrema
The area postrema is a part of the brain that controls vomiting. It was discovered in 1953 by Utah Pharmacologists Herbert L. Borison and S. C. Wang .... - areola
Areola
In human anatomy, the term areola, plural areolae, is used to describe any circular area such as the colored skin surrounding the nipple.... - arm
Arm
In anatomy, an arm is one of the upper limbs of an animal. The term arm can also be used for analogous structures, such as one of the paired upper limbs of a four-legged animal, or the cephalopod arm.... - arrectores pilorum
Arrectores pilorum
Arrectores pilorum are tiny muscle fibers attached to each hair follicle, which contract to make the hairs stand on end, causing goose bumps.... - arteria dorsalis pedis - arterial arcades
Arterial arcades
Arterial arcades are loops of arteries around the jejunum and ileum.Nearest the duodenum the mesenteric loops are primary, the Vasa recta are long and regular in distribution, and the translucent spaces are extensive.... - artery
Artery
Arteries are blood vessels that carry blood away from the heart. All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood.... - articular condyle of mandible - articular disc - articulation
Articulation
Articulation may refer to:In linguistics:* Topic-focus articulation, a field of study concerned with marking old and new information in a clause... - aryepiglotticus muscle - arytenoid - arytenoid cartilage
Arytenoid cartilage
The arytenoid cartilages are a pair of small three-sided pyramids which form part of the larynx, to which the vocal cords are attached.Each is pyramidal in form, and has three surfaces, a base, and an apex.... - arytenoideus muscle - astereognosis
Astereognosis
Astereognosis is a form of agnosia where a person fails to successfully identify objects by touch when visual information is not used.It is associated with lesions of the parietal lobe.... - asterion
Asterion
In Greek mythology, Asterion denotes two sacred kings of Crete. The first Asterion or Asterius , son of Neleus and Chloris by the Greeks called "king" of Crete, was the consort of Europa and stepfather of her sons by Zeus, who had to assume the form of the Bull to accomplish his role.... - asterixis
Asterixis
Asterixis is a tremor of the wrist when the wrist is extended , sometimes said to resemble a bird flapping its wings. Also called "liver flap", it can be a sign of hepatic encephalopathy, damage to brain cells due to the inability of the liver to metabolize ammonia to urea.... - astrocyte
Astrocyte
Astrocytes are characteristic star-shaped neuroglia cell in the brain and spinal cord. They perform many functions, including biochemical support of endothelial cells which form the blood-brain barrier, the provision of nutrients to the nervous tissue, and a principal role in the repair and scarring process of the brain and spinal cord fol... - asynergy
Asynergy
Asynergy is defective or lack of co-ordination between muscles, Limb or joints, resulting in a loss in movement or speed. Asynergy is most likely to occur during complex movements, where several individual muscle contractions are needed to act in unison.... - ataxia
Ataxia
Ataxia is a neurology sign and symptom consisting of gross lack of coordination of muscle movements. Ataxia is a non-specific clinical manifestation implying dysfunction of parts of the nervous system that coordinate movement, such as the cerebellum.... - atlanto-occipital joint
Atlanto-occipital joint
The Atlanto-occipital joint consists of a pair of condyloid joints.... - atlas
Atlas (anatomy)
In anatomy, the atlas is the topmost cervical vertebra of the spine .It is named for the Atlas of mythology, because it supports the globe of the head .... - atresia
Atresia
Atresia is a condition in which a body orifice or passage in the body is abnormally closed or absent.Examples of atresia include:* Imperforate anus - malformation of the opening between the rectum and anus.... - atrioventricular node
Atrioventricular node
The atrioventricular node is a part of electrical control system of the heart that co-ordinates heart rate. It electrically connects atrial and ventricular chambers.... - atrium
Atrium (anatomy)
In anatomy, the atrium , sometimes called auricle, refers to a chamber or space. It may be the atrium of the lateral ventricle in the brain or the blood collection chamber of a heart.... - auditory aphasia - auditory cortex - auditory meatus
The auditory radiations are structures found in the brain, in the ventral cochlear pathway, a part of the auditory system. Lesions to the auditory radiations could be a cause of cortical deafness.... - auditory system
Auditory system
The auditory system is the sensory system for the sense of hearing .... - auditory tube
Eustachian tube
The Eustachian tube is a tube that links the pharynx to the middle ear. In adults the Eustachian tube is approximately 35 mm long. It is named after the sixteenth century anatomist Bartolomeo Eustachi.... - auricle
Auricle
Auricle has the following meanings:* the external portion of the ear, the pinna * a small conical pouch that projects from each atrium of the heart... - auriculotemporal nerve
Auriculotemporal nerve
The auriculotemporal nerve is a branch of the mandibular nerve that runs with the superficial temporal artery and vein, and provides sensory innervation to various regions on the side of the head.... - auscultation
Auscultation
Auscultation is the technical term for listening to the internal sounds of the body, usually using a stethoscope; based on the Latin verb auscultare "to listen".... - autonomic
Autonomic
Autonomic can refer to several things, including:*Autonomic nervous system*Autonomic computing*Autonomic system *Autonomic networking... - autonomic ganglion
Autonomic ganglion
Autonomic ganglia are clusters of neuronal cell bodies and their dendrites and are essentially a junction between autonomic nerves originating from the central nervous system and autonomic nerves innervating their target organs in the periphery.... - axial skeleton
Axial skeleton
The axial skeleton consists of the 80 bones in the head and trunk of the human body. It is composed of five parts; the human skull, the ossicles of the inner ear, the hyoid bone of the throat, the chest, and the vertebral column.... - axial view - axilla - axillary artery
Axillary artery
In human anatomy, the axillary artery is a large blood vessel that conveys oxygenated blood to the lateral aspect of the thorax, the axilla and the upper limb.... - axis
Axis (anatomy)
In anatomy, the second cervical vertebra of the vertebral column is named the axis or epistropheus.It forms the pivot upon which the first cervical vertebra , which carries the head , rotates.... - axon
Axon
An axon or nerve fiber is a long, slender projectionof a nerve cell, or neuron, that conducts action potentialaway from the neuron's cell body or soma.... - axon collateral - axon hillock
Axon hillock
The axon hillock is the anatomical part of a neuron that connects the cell body to the axon.It is described as the location where the summation of inhibitory postsynaptic potentials and excitatory postsynaptic potentials from numerous synaptic inputs on the dendrites or cell body occurs.... - azygos
Azygos
In anatomy, azygos, from the Greek ????, refers to a structure that is unpaired. This is relatively unusual, as most elements of anatomy reflect bilateral symmetry.... -
In medicine and neurology, the Babinski response to the plantar reflex is a reflex, named after Joseph Babinski , a French neurology of Poland descent, that can identify disease of the spinal cord and brain and also exists as a Primitive reflexes in infants.... - baculum
Baculum
The baculum is a bone found in the penis of most mammals. It is absent in humans, equidae, marsupials, lagomorphs, and hyenas, and cetaceans among others.... - ball and socket joint
Ball and socket joint
A ball and socket joint is a joint in which the distal bone is capable of motion around an indefinite number of axes, which have one common center.... - band of Baillarger - Bartholin's gland
Bartholin's gland
The Bartholin's glands are two glands located slightly below and to the left and right of the opening of the vagina in women. They were first described in the 17th century, by the Danish anatomist Caspar Bartholin the Younger .... - basal cistern - basal forebrain
Basal forebrain
The basal forebrain is a collection of structures located ventrally to the striatum. It is considered to be the major cholinergic output of the CNS.... - basal ganglia
Basal ganglia
The basal ganglia are a group of Nucleus in the brain interconnected with the cerebral cortex, thalamus and brainstem. Mammalian basal ganglia are associated with a variety of functions: motor control, cognition, emotions, and learning.... - basalis nucleus of Meynert - basal lamina
Basal lamina
The basal lamina is a layer of extracellular matrix on which epithelium sits and which is secreted by the epithelial cells. It is often confused with the basement membrane, and sometimes used inconsistently in the literature, see below.... - basement membrane
Basal lamina
The basal lamina is a layer of extracellular matrix on which epithelium sits and which is secreted by the epithelial cells. It is often confused with the basement membrane, and sometimes used inconsistently in the literature, see below.... -basilar artery
Basilar artery
In human anatomy, the basilar artery is one of the artery that supplies the brain with oxygen-rich blood.The two vertebral arteries and the basilar artery are sometimes together called the vertebrobasilar system, which supplies blood to the posterior part of circle of Willis and anastomoses with blood supplied to the anterior part of... - basilar membrane
Basilar membrane
The basilar membrane within the cochlea of the inner ear is a stiff structural element that separates two liquid-filled tubes that run along the coil of the cochlea, the scala media and the scala tympani .... - basis pedunculi - basket cell
Basket cell
Basket cells are inhibitory GABAergic interneurons found in several brain regions: the Cerebellum#Molecular_layer of the cerebellum, the hippocampus, and the cerebral cortex.... - basolateral amygdala
Basolateral Amygdala
The Basolateral Amygdala is a major limbic-related region within the brain.The basolateral amygdala projects heavily to the nucleus accumbens.... - biceps
Biceps
Biceps may refer to:* The two-headed Biceps brachii muscle on the inside of each upper arm.* The biceps femoris, one of the hamstring muscles of the underside of each thigh.... - bicipital aponeurosis
Bicipital aponeurosis
The bicipital aponeurosis is a broad aponeurosis of the biceps brachii which is located in the cubital fossa of the elbow and separates superficial from deep structures in much of the fossa.... - bicuspid valve
Bicuspid aortic valve
A bicuspid aortic valve is a defect of the aortic valve that results in the formation of two leaflets or cusps instead of the normal three. Normally only the mitral valve has two cusps ; situated between the left atrium and left ventricle.... - bifurcation
Bifurcation
Bifurcation means the splitting of a main body into two parts.Bifurcation or Bifurcated may refer to:*Bifurcation , the division of issues in a trial for example the division of a page into two parts.... - bilateral symmetry
Symmetry (biology)
Symmetry in biology is the balanced distribution of duplicate body parts or shapes. The body plans of most multicellular organisms exhibit some form of symmetry, either radial symmetry or bilateral symmetry or glide symmetry.... - bile duct
Bile duct
A bile duct is any of a number of long tube-like structures that carry bile.Bile, required for the digestion of food, is excreted by the liver into passages that carry bile toward the hepatic duct, which joins with the cystic duct to form the common bile duct, which opens into the intestine.... - biology
Biology
Biology is a branch of the natural sciences concerned with the study of living organisms and their interaction with each other and their environment .... - bipolar cells of the retina - bitemporal heminopia - blastomere
Blastomere
A blastomere is a type of Cell produced by division of the ovum after Human fertilization.... - blood
Blood
Blood is a specialized bodily fluid that delivers necessary substances to the body's Cell s ? such as nutrients and oxygen ? and transports waste products away from those same cells.... - blood brain barrier - body
Body
With regard to organism, a body is the integral physical material of an individual. "Body" often is used in connection with appearance, health issues and death.... - bone
Bone
Bones are rigid organ that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red blood cell and white blood cells and store minerals.... - bone marrow
Bone marrow
Bone marrow is the flexible biological tissue found in the hollow interior of bones. In adults, marrow in large bones produces new blood cells.... - bony labyrinth - Bowman's capsule
Bowman's capsule
The Bowman's capsule is a cup-like sac at the beginning of the tubular component of a nephron in the mammalian kidney. A glomerulus is enclosed in the sac.... - brachial artery
Brachial artery
The brachial artery is the major blood vessel of the upper arm.It is a continuation of the axillary artery beyond the lower margin of teres major muscle.... - brachial plexus
Brachial plexus
The brachial plexus is an arrangement of nerve fibers, running from the spine, formed by the ventral rami of the lower cervical and upper thoracic nerve roots, specifically from above the fifth cervical vertebra to underneath the first thoracic vertebra .... - brachiocephalic vein
Brachiocephalic vein
The left and right brachiocephalic veins in the upper chest are formed by the union of each corresponding internal jugular vein and subclavian vein.... - brachioradialis reflex
Brachioradialis reflex
The brachioradialis reflex is observed during a neurological exam by striking the brachioradialis tendon directly with a hammer when the patient's arm is resting . This reflex is caused by the C6 spinal nerve.... - brachium conjunctivum - brachium of the inferior colliculus - brachium of the superior colliculus - brachium pontis - brachium restiformis - brain
Brain
The brain is the center of the nervous system in all vertebrate, and most invertebrate, animals. Some primitive animals such as cnidarian and echinoderm have a decentralized nervous system without a brain, while sponges lack any nervous system at all.... - brain stem
Brain stem
The brain stem is the lower part of the brain, adjoining and structurally continuous with the spinal cord. The brain stem provides the main motor and sensory innervation to the face and neck via the cranial nerves.... - brainstem - branchia
Branchia
Branchia may refer to:* Branchia, an Ancient Greek word for gills.* Branchia , a genus of arthropodas.... - branchiomeric musculature
Branchiomeric musculature
Branchiomeric muscles are striated muscle of the head and neck. Unlike skeletal muscles that developmentally come from somites, branchiomeric muscles are developmentally formed from the branchial arches.... - breast
Breast
The breast is the upper ventral region of an animal?s torso, particularly that of mammals, including human beings. The breasts of a female primate?s body contain the mammary glands, which secrete milk used to feed infants.... - bregma
Bregma
The frontal angle is practically a right angle, and corresponds with the point of meeting of the sagittal suture and coronal sutures; this point is named the bregma.... - bridging veins - broad ligament of the uterus
Broad ligament of the uterus
The broad ligament of the uterus is the wide fold of peritoneum that connects the sides of the uterus to the walls and floor of the pelvis.... - Broca's area
Broca's area
Broca's area is a region of the brain responsible for speech production.The importance of Broca?s area in producing language has been recognized since Paul Pierre Broca reported impairments in two patients he encountered.... - bronchi - bronchiole
Bronchiole
The bronchioles or bronchioli are the first airway branches that no longer contain cartilage. They are branches of the bronchi, and are smaller than one millimeter in diameter.... - bronchus
Bronchus
A bronchus is a caliber of airway in the respiratory tract that conducts air into the lungs.No gas exchange takes place in this part of the lungs.... - Brunner's gland - buccal fatpad - buccal membrane - buccal nerve
Buccal nerve
The buccal nerve is a nerve in the face. It is a branch of the mandibular nerve and transmits sensory information from skin over the buccal membrane and from the second and third Molar teeth.... - buccinator
Buccinator muscle
The buccinator is a thin quadrilateral muscle, occupying the interval between the maxilla and the mandible at the side of the face.Action... - bulbospongiosus
Bulbospongiosus muscle
Bulbospongiosus is one of the superficial muscles of the perineum. It has a slightly different origin, insertion and function in males and females.... - bulbourethral gland
Bulbourethral gland
A bulbourethral gland, also called a Cowper's gland for anatomist William Cowper , is one of two small exocrine glands present in the reproductive system of human males.... - bulbus - bulla
The bundle of His, also known as the AV bundle or atrioventricular bundle, is a collection of heart muscle cells specialized for electrical conduction that transmits the action potential from the AV node to the point of the apex of the fascicular branches.... - bursa
Bursa (anatomy)
A bursa is a small fluid-filled sac made of white fibrous tissue and lined with synovial membrane. It provides a cushion between bones and tendons and/or muscles around a joint; bursae are filled with synovial fluid and are found around almost every major joint of the body; when they become inflamed, the condition is called bursitis.... - buttock -
The anterior part of the fourth ventricle is named, from its shape, the rhomboid fossa, and its anterior wall, formed by the back of the pons and medulla oblongata, constitutes the floor of the fourth ventricle.... - calcaneus
Calcaneus
In humans, the calcaneus or heel bone is a bone of the Tarsus of the foot which constitute the heel. In some other animals, it is the point of the hock .... - calcar
Calcar
The calcar, also known as the calcaneum , is the name given to a spur of cartilage arising from inner side of ankle and running along part of outer interfemoral membrane in bats , this is to help spread the interfemoral membrane , which is part of the wing membrane between the tail and the hind legs.... - calcar avis
Calcar avis
On the medial wall of the posterior cornu of the lateral ventricle is a longitudinal eminence, the calcar avis , which is an involution of the ventricular wall produced by the calcarine fissure.... - calcar femorale - calcarine cortex - calcarine fissure
Calcarine fissure
The calcarine fissure is an anatomical landmark located at the very caudal end of the medial surface of the brain.... - calcarine sulcus - calf - calix
Calyx (kidney)
Calyx can refer to:* Minor calyx* Major calyx... - calvaria - calyx
Calyx (kidney)
Calyx can refer to:* Minor calyx* Major calyx... - canal of Schlemm - canaliculus
Canaliculus (disambiguation)
A canaliculus is an anatomical term used to describe a small passageway.Examples include:*Canaliculus , a small channel found in ossified bone... - cancellous - canine tooth
Canine tooth
In mammalian oral anatomy, the canine teeth, also called cuspids, dogteeth, fangs, or eye teeth, are relatively long, pointed tooth.... - canthus
Canthus
Canthus can refer to:* Canthus , a part of the eye* Canthus , one of the Argonauts* Canthus , a Impact crater ... - capillary
Capillary
Capillaries are the smallest of a body's blood vessels, measuring 5-10 micrometre in diameter, which connect arterioles and venules, and enable the interchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissue s.... - capitate - capitulum - caput
Caput
The Latin root caput, for "head" or "top", has been borrowed in a variety of English language words, including capital, captain, and decapitate.... - caput medusae
Caput medusae
Caput medusae is the appearance of distended and engorged paraumbilical veins which are seen radiating from the umbilicus across the abdomen to join systemic veins.... - carapace
Carapace
A carapace is a Dorsum section of the exoskeleton or shell in a number of animal groups, including arthropods such as crustaceans and arachnids as well as vertebrates such as chelonians, order Testudines, turtles and tortoises.... - cardiac - cardiophrenic angle - cardiovascular system - carina - carotid - carotid bifurcation - carotid body
Carotid body
The carotid body is a small cluster of chemoreceptors and supporting cells located near the fork of the carotid artery .The carotid body detects changes in the composition of arterial blood flowing through it, mainly the partial pressure of oxygen, but also of carbon dioxide.... - carotid canal
Carotid canal
On the interior surface of the temporal bone, behind the rough surface of the apex, is the large circular aperture of the carotid canal, which ascends at first vertically, and then, making a bend, runs horizontally forward and medialward.... - carotid groove
Carotid groove
Above the attachment of each great wing of the sphenoid bone is a broad groove, curved something like the italic letter f; it lodges the internal carotid artery and the cavernous sinus, and is named the carotid groove.... - carotid plexus
Carotid plexus
Carotid plexus can refer to:* Common carotid plexus* Internal carotid plexus* External carotid plexus... - carotid sheath
Carotid sheath
The carotid sheath is an anatomy term for the fibrous connective tissue that surrounds the internal carotid artery and related structures in the neck.... - carotid sinus
Carotid sinus
In human anatomy, the carotid sinus is a localized dilation of the internal carotid artery at its origin, the common carotid artery bifurcation.... - carotid siphon
Carotid siphon
The carotid siphon is the tortuous segment of the internal carotid artery that extends from the carotid canal to the point at which the internal carotid artery bifurcates into the anterior cerebral artery and the middle cerebral artery.... - carpus
Carpus
In tetrapods, the carpals is the sole cluster of the bones in the wrist between the radius and ulna and the metacarpus. The bones of the carpus do not belong to individual fingers , whereas those of the metacarpus do.... - cartilage
Cartilage
Cartilage is a type of dense connective tissue. It is composed of specialized cells called chondrocyte that produce a large amount of extracellular matrix composed of collagen fibers, abundant ground substance rich in proteoglycan, and elastin fibers.... - caruncle
Caruncle
Caruncle may refer to:*In botany, an elaiosome , especially in the plant family Euphorbiaceae*In animal anatomy:**prostomium, the sensory organ of Annelid worms... - catheter
Catheter
In medicine a catheter is a tubing that can be inserted into a body cavity, duct or vessel. Catheters thereby allow drainage or injection of fluids or access by surgical instruments.... - cauda
Cauda
The Cauda is a characteristic feature of songs in the Conductus style of a cappella music which flourished between the mid-12th and the mid-13th century.... - cauda equina
Cauda equina
The cauda equina is a structure within the lower end of the spine of most vertebrates, that consists of nerve roots and rootlets from above. The space in which the cerebrospinal fluid is present is actually an extension of the subarachnoid space.... - caudal - caudate
Caudate
Caudate can refer to:* Caudate nucleus* Caudate lobe of liver* Cauda equina* Members of the Caudata order.... - caudate nucleus
Caudate nucleus
The caudate nucleus is a nucleus located within the basal ganglia of the brains of many animal species. The caudate, originally thought to primarily be involved with control of voluntary movement, is now known to be an important part of the brain's learning and memory system.... - cava - cavernous sinus
Cavernous sinus
The cavernous sinus , within the human head, is a large collection of thin-walled veins creating a cavity bordered by the temporal bone of the skull and the sphenoid bone, lateral to the sella turcica.... - cavum tympani - cavum subdurale - cecum
Cecum
The cecum or caecum is a pouch connected to the ascending colon of the large intestine and the ileum. It is separated from the ileum by the ileocecal valve or Bauhin's valve, and is considered to be the beginning of the large intestine.... - celiac
The celiac artery, also known as the celiac trunk and also spelled as coeliac, is the first major branch of the abdominal aorta. Branching from the aorta around the level of the T12 vertebra in humans, it is one of three anterior/ midline branches of the abdominal aorta .... - celiac ganglion - celiac trunk - celom
Body cavity
By the broadest definition, a body cavity is any fluid filled space in a multicellular organism. However, the term usually refers to the space, located between an animal?s outer covering and the outer lining of the gut cavity, where internal organs develop.... - central canal
Central canal
For the engineering project, see Indiana Central Canal.The central canal is the cerebrospinal fluid-filled space that runs longitudinally through the length of the entire spinal cord.... - central nucleus of inferior colliculus - central retinal artery
Central retinal artery
The central retinal artery branches off the ophthalmic artery, running inferior to the optic nerve within its dura sheath to the eyeball.... - central sulcus
Central sulcus
The central Sulcus is a fold in the cerebral cortex of brains in vertebrates. Also called the central fissure, it was originally called the fissure of Rolando or the Rolandic fissure, after Luigi Rolando.... - central tegmental tract
Central tegmental tract
Motor cortex cross talking with the reticular formationThe central tegmental tract is a structure in the midbrain and pons which transmits information to the thalamus.... - centromedian nucleus
Centromedian nucleus
In the anatomy of the brain, the centromedian nucleus, also known as the centrum medianum, is a part of the intralaminar nucleus of the thalamus.... - centrum semi - centrum semiovale - cephalic - cephalic vein
Cephalic vein
In human anatomy, the cephalic vein is a superficial vein of the upper limb.It communicates with the basilic vein via the median cubital vein at the Elbow-joint and is located in the superficial fascia along the anterolateral surface of the biceps brachii muscle.... - cerebellar peduncle - cerebellar projection - cerebellar tonsil
Cerebellar tonsil
The cerebellar tonsil is a rounded mass, situated in the hemispheres of the cerebellum.... - cerebellopontine angle - cerebellorubral tract - cerebellothalamic tract
Cerebellothalamic tract
Also known as the dentatothalamic tract or the tractus cerebellothalamicus, is part of the superior cerebellar peduncle. It originates in the cerebellar nuclei, crosses completely in the decussation of the brachium conjunctivum, bypasses the red nucleus, and terminates in parts of the ventral anterior nucleus, ventral intermediate, ventral... - cerebellum
Cerebellum
The cerebellum is a region of the brain that plays an important role in the integration of perception, coordination and motoneuron control. In order to coordinate motor control, there are many neural pathways linking the cerebellum with the cerebrum motor cortex and the spinocerebellar tract .... - cerebral aqueduct
Cerebral aqueduct
The mesencephalic duct, also known as the aqueductus mesencephali, aqueduct of Franciscus Sylvius or the cerebral aqueduct, contains cerebrospinal fluid , is within the mesencephalon and connects the third ventricle in the diencephalon to the fourth ventricle, which is between the pons and cerebellum.... - cerebral arterial circle - cerebral hemisphere
Cerebral hemisphere
A cerebral hemisphere is defined as one of the two regions of the brain that are delineated by the body's Anatomical_position#Median_and_sagittal_plane, .... - cerebral peduncle
Cerebral peduncle
The cerebral peduncle, by most classifications, is everything in the mesencephalon except the tectum. The region includes the midbrain tegmentum, crus cerebri, substantia nigra and pretectum.... - cerebrospinal fluid
Cerebrospinal fluid
Cerebrospinal fluid , Liquor cerebrospinalis, is a clear bodily fluid that occupies the subarachnoid space and the ventricular system around and inside the brain.... - cerebrum - cerumen - cervical
Cervical
In anatomy, 'cervical' is an adjective that has two meanings:# of or pertaining to any neck.# of or pertaining to the female cervix: i.e., the neck of the uterus.... - cervical enlargement
Cervical enlargement
The cervical enlargement corresponds with the attachments of the large nerves which supply the upper limbs.It extends from about the third cervical to the second thoracic vertebra, its maximum circumference being on a level with the attachment of the sixth pair of cervical nerves.... - cervical fascia
Cervical fascia
The cervical fascia mainly refers to the deep cervical fascia. However, there are other cervical fascia:*superficial cervical fascia*prevertebral fascia... - cervical plexus
Cervical plexus
The cervical plexus is a plexus of the ventral rami of the first four cervical spinal nerves which are located from C1 to C4 cervical segment in the neck.... - cervical spinal nerves - cervical spine - cervical sympathetic ganglia - cervical vertebrae
Cervical vertebrae
In vertebrates, cervical vertebrae are those vertebrae immediately behind the skull.... - cervicothoracic ganglion - cervix
Cervix
The cervix is the lower, narrow portion of the uterus where it joins with the top end of the vagina. It is cylindrical or conical in shape and protrudes through the upper anterior vaginal wall.... - chaetae
Chaetae
Chaetae or Ch?t? was an ancient town of Macedonia that Ptolemy assigns to Mygdonia . It location cannot precisely be calculated from Ptolemy's account, which places it near Moryllus and Antigonia Psaphara which are some ways apart from one another.... - cheek
Cheek
Cheeks constitute the area of the face below the eyes and between the nose and the left or right ear.It is fleshy in humans and other mammals, the skin being suspended by the chin and the jaws, and forming the lateral wall of the human mouth, visibly touching the cheekbone below the eye.... - chest
Chest
The chest is a part of the anatomy of humans and various other animals sometimes referred to as the thorax.... - Cheyne-Stokes respiration
Cheyne-Stokes respiration
Cheyne-Stokes respiration is an abnormal pattern of breathing characterized by oscillation of ventilation between apnea and tachypnea, to compensate for changing blood plasma partial pressures of oxygen and carbon dioxide.... - chiasma
Chiasma
The term chiasma comes from the Greek language ??as?a, which is related to the Greek letter chi and means "crossing". It has a number of related meanings in biology.... - chiasmatic sulcus - choanae - chorda tympani
Chorda tympani
The chorda tympani is a nerve that branches from the facial nerve inside the facial canal, just before the facial nerve exits the skull via the stylomastoid foramen.... - choroid
Choroid
The choroid, also known as the choroidea or choroid coat, is the Blood vessel layer of the eye lying between the retina and the sclera.... - choroid plexus
Choroid plexus
The choroid plexus is the area on the ventricle s of the brain where cerebrospinal fluid is produced by modified ependymal cells.... - chyle
Chyle
Chyle is a milky fluid consisting of lymph and emulsified fats, or free fatty acids . It is formed in the small intestine during digestion of ingested fatty foods and taken up by lymph vessels specifically known as lacteals, unlike other components of digested food that are conveyed by veins.... - ciliary arteries
Ciliary arteries
The ciliary arteries are divisible into three groups, the long posterior, short posterior, and the anterior.* The short posterior ciliary arteries from six to twelve in number, arise from the ophthalmic as it crosses the optic nerve.... - ciliary body
Ciliary body
The ciliary body is the circumferential tissue inside the eye composed of the ciliary muscle and ciliary processes. It is triangular in horizontal section, and is coated by a double layer, the ciliary epithelium.... - ciliary ganglion
Ciliary ganglion
The ciliary ganglion is a Parasympathetic nervous system ganglion located in the posterior Orbit . It measures 1?2 millimeters in diameter and contains approximately 2,500 neurons.... - ciliary muscle
Ciliary muscle
The ciliary muscle is a muscle in the eye that controls the eye's accommodation for viewing objects at varying distances.... - ciliary nerves
Ciliary nerves
Ciliary nerves can refer to:* Short ciliary nerves* Long ciliary nerves... - ciliospinal reflex
Ciliospinal reflex
The ciliospinal reflex consists of dilation of the bilateral pupil to a pain stimulus applied to the neck, face, and upper trunk. Therefore, if the right side of the neck is scratched with a sharp pin, the bilateral pupil should dilate.... - cilium
Cilium
A cilium is an organelle found in eukaryote cell s. Cilia are tail-like projections extending approximately 5?10 micrometres from the cell body.... - cingulate gyrus
Cingulate gyrus
Cingulate gyrus is a gyrus in the medial part of the brain. It partially wraps around the corpus callosum and is limited above by the cingulate sulcus.... - cingulum
Cingulum
The cingulum is a collection of white matter fibers projecting from the cingulate gyrus to the entorhinal cortex in the brain, allowing for communication between components of the limbic system.... - circle of Willis
Circle of Willis
The Circle of Willis is a circle of artery that supply blood to the brain. It is named after Thomas Willis , an England physician.... - circulatory system
Circulatory system
The circulatory system is an organ that moves nutrients, gases, and wastes to and from cells to help fight diseases and help stabilize body temperature and pH to maintain homeostasis.... - circumflex artery - cisterna
Cisterna
A cisterna comprises a flattened membrane disk that makes up the Golgi apparatus. A typical Golgi has anywhere from 3 to 7 cisternae stacked upon each other like a stack of dinner plates, but there are usually around 6.... - cisterna chyli
Cisterna chyli
The cisterna chyli is a dilated sac at the lower end of the thoracic duct into which lymph from the intestinal trunk and two lumbar lymphatic trunks flow.... - cisterna magna
Cisterna magna
The cisterna magna is one of three principal openings in the subarachnoid space between the arachnoid and pia mater layers of the meninges surrounding the brain.... - Clarke's column nucleus - claustrum
Claustrum
OverviewThe claustrum, which is suspected to be present in all mammals, is a fairly thin vertical curved sheet of subcortical gray matter... - clava
Clava
Clava can refer to:* Mu Bo?tis, a triple star system in the constellation Bo?tes.* Clava cairn, a type of Bronze Age circular chamber tomb cairn.... - clavicle
Clavicle
In human anatomy, the clavicle or collar bone is classified as a flat bone that makes up part of the shoulder girdle . It receives its name from the Latin clavicula because the bone rotates along its axis like a key when the shoulder is Abduction .... - climbing fiber
Climbing fiber
Climbing fibers are the name given to a series of neuron projections from the inferior olivary nucleus located in the medulla.These axons pass through the pons and enter the cerebellum where they form synapses with the Cerebellum#Deep Nuclei and Purkinje cells.... - clinoid - clitoris
Clitoris
The clitoris is a sex organ that is present only in female mammals. In humans, the visible button-like portion is located near the anterior junction of the labia minora, above the opening of the urethra and vagina.... - clivus
Clivus (anatomy)
Part of the cranium, the clivus is a shallow depression behind the dorsum sell? that slopes obliquely backward. It is continuous with the groove on the basilar portion of the occipital bone.... - cloaca
Cloaca
In zoological anatomy, a cloaca is the posterior opening that serves as the only such opening for the alimentary tract and urinary tract of certain animal species.... - clonus
Clonus
Clonus is a series of involuntary muscular contractions due to sudden stretching of the muscle. Clonus is a sign of certain neurological conditions, and is particularly associated with upper motor neuron lesions such as amyotrophic lateral sclerosis , stroke, multiple sclerosis, Spinal cord and hepatic encephalopathy.... - coccyx
Coccyx
The coccyx , commonly referred to as the tailbone, is the final segment of the human spine . Comprising three to five separate or fused vertebrae below the sacrum, it is attached to the sacrum by a fibrocartilaginous joint, the sacrococcygeal symphysis, which permits limited movement between the sacrum and the coccyx.... - cochlea
Cochlea
The cochlea is the auditory portion of the inner ear. Its core component is the Organ of Corti, the sensory organ of hearing , which is distributed along the partition separating fluid chambers in the coiled tapered tube of the cochlea.... - cochlear duct - cochlear nerve
Cochlear nerve
The cochlear nerve is a nerve in the ear that carries nerve impulses to the brain. It is part of the vestibulocochlear nerve, that is found in higher vertebrates.... - coeliac - coelom
Body cavity
By the broadest definition, a body cavity is any fluid filled space in a multicellular organism. However, the term usually refers to the space, located between an animal?s outer covering and the outer lining of the gut cavity, where internal organs develop.... - coeruleus - collar bone - collateral eminence
Collateral eminence
The collateral eminence is an elongated swelling lying lateral to and parallel with the hippocampus.It corresponds with the middle part of the collateral fissure, and its size depends on the depth and direction of this fissure.... - collateral fissure
Collateral fissure
The collateral fissure is on the tentorial surface of the hemisphere and extends from near the occipital pole to within a short distance of the temporal pole.... - collateral trigone - colliculus
Colliculus
Colliculus can refer to:* Inferior colliculus* Superior colliculus* Seminal colliculus... - collum
Collum
Collum is a surname, and may refer to:*Hugh Collum*Jackie Collum*Jason Paul Collum*John Collum... - colon
Colon (anatomy)
The colon is the last portion of the digestive system in most vertebrates; it extracts water and salt from feces before they are defecation from the body.... - columns of the fornix - commissure
Commissure
A commissure is the place where two things are joined. The term is used especially in the fields of anatomy and biology.In anatomy, commissure can refer to a number of such bodily junctions.... - common carotid artery
Common carotid artery
In human anatomy, the common carotid artery is an artery that supplies the head and neck with oxygenated blood; it divides in the neck to form the external carotid artery and internal carotid artery.... - common facial vein
Common facial vein
The anterior facial vein usually unites with the posterior facial vein to form the common facial vein, which crosses the external carotid artery and enters the internal jugular vein at a variable point below the hyoid bone.... - communicating veins - comparative anatomy
Comparative anatomy
Comparative anatomy is the study of similarities and differences in the anatomy of organisms. It is closely related to evolutionary biology and phylogeny .... - conchae - condylar process of mandible - condyle
Condyle
A Condyle is the knuckle of any joint, a round projection, rounded articular area one of the markings/features of bones, can refer to:* Lateral condyle Femur and Tibia... - cone cell
Cone cell
Cone cells, or cones, are photoreceptor cells in the retina of the eye which function best in relatively bright light. The cone cells gradually become sparser towards the periphery of the retina.... - confluence of the sinuses - conjoint tendon
Conjoint tendon
The conjoint tendon is a structure formed from the transversus abdominis insertion into the pecten pubis.... - conjugate eye movement
Conjugate eye movement
Conjugate eye movement refers to motor coordination of the eyes that allows for bilateral fixation on a single object. Several centers in the brainstem are involved.... - conjunctiva
Conjunctiva
The conjunctiva is a clear mucous membrane consisting of cells and underlying basement membrane that covers the sclera and lines the inside of the eyelids.... - connective tissue
Connective tissue
Connective tissue is a form of fibrous biological tissue.It is one of the four types of tissue in traditional classifications .Collagen is the main protein of connective tissue in animals and the most abundant protein in mammals, making up about 25% of the total protein content.... - conoid - consensual reflex - constrictor
Constrictor
Constrictor may refer to:Biology:* Any snake that kills its prey by constriction* A taxonomic synonym for Boa , a.k.a. boas, a genus of non-venomous boas found in Mexico, Central and South America, Madagascar and on Reunion Island.... - contralateral - conus elasticus
Conus elasticus
The conus elasticus is the lateral portion of the cricothyroid ligament.The lateral portions are thinner and lie close under the mucous membrane of the larynx; they extend from the superior border of the cricoid cartilage to the inferior margin of the vocal ligaments, with which they are continuous.... - conus medullaris
Conus medullaris
The conus medullaris is the terminal end of the spinal cord. It occurs near lumbar nerves 1 and 2 . After the spinal cord tapers out, the spinal nerves continue as dangling nerve roots.... - Coracobrachialis muscle
Coracobrachialis muscle
The Coracobrachialis is the smallest of the three muscles that attach to the coracoid process of the scapula. It is situated at the upper and medial part of the arm.... coracoid
Coracoid
The coracoid Process is a small hook-like structure on the lateral edge of the superior anterior portion of the scapula. Pointing laterally forward, it, together with the acromion, serves to stabilize the Glenohumeral joint.... - coracoid process - cordotomy
Cordotomy
Cordotomy is a surgical procedure that disables selected pain-conducting tracts in the spinal cord, in order to achieve loss of pain and temperature perception.... - cornea
Cornea
The cornea is the transparency front part of the eye that covers the Iris , pupil, and anterior chamber. Together with the cilliary muscles, the cornea reflects light, and as a result helps the eye to dilate, accounting for approximately two-thirds of the eye's total optical power.... - corneal reflex
Corneal reflex
The corneal reflex, also known as the blink reflex, is an involuntary blinking of the eyelids elicited by stimulation of the cornea, or bright light, though could result from any peripheral stimulus.... - corniculate
Corniculate
Corniculate is the Latin term for an object possessing hornlike extensions, based on wiktionary:Cornu = "horn". One use of the term is in the corniculate cartilages of the larynx.... - cornu
Cornu
Cornu is a Latin word for horn.Cornu may also refer to:*Cornu , an ancient musical instrumentPeople:*Marie Alfred Cornu, a physicist for whom the Cornu spiral is named... - corona - corona radiata
Corona radiata
In neuroanatomy, the corona radiata is a white matter sheet that continues caudally as the internal capsule and rostrally as the centrum semiovale.... - coronal plane
Coronal plane
A coronal plane is any vertical plane that divides the body into anterior and posterior sections.It is one of the Anatomical terms of location#Planes of the body used to describe the location of body parts in relation to each other.... - coronal suture
Coronal suture
The coronal suture is a dense, fibrous connective tissue joint that separates the frontal bone and parietal bone bones of the skull. At birth, the bones of the skull do not meet.... - coronal view - coronary - coronary arteries - coronary sinus
Coronary sinus
The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart. It is present in humans and other animals.... - coronoid - coronoid process
Coronoid process
The Coronoid process can refer to:* The coronoid process of the mandible, part of the ramus mandibulae of the mandible* The coronoid process of the ulna... - corpora quadrigemina
Corpora quadrigemina
In the brain, the corpora quadrigemina are the four colliculi?two inferior colliculus, two superior colliculus?located on the tectum the dorsal aspect of the midbrain.... - corpus albicans
Corpus albicans
The corpus albicans is the regressed form of the corpus luteum. As the corpus luteum is being broken down by macrophages, fibroblasts lay down type I collagen, forming the corpus albicans.... - corpus callosum
Corpus callosum
The corpus callosum is a structure of the mammalian brain in the longitudinal fissure that connects the left and right cerebral hemispheres. It also facilitates communication between the two hemispheres.... - corpus striatum
Corpus striatum
The corpus striatum is a compound structure consisting of the striatum and the globus pallidus.... - corpuscle
Corpuscle
Corpuscle may refer to:*a small free floating biological cell, especially a blood cell*a nerve ending such as Meissner's corpuscle or a Pacinian corpuscle... - corrugator
Corrugator
Corrugator may refer to:* Corrugator supercilii muscle* Corrugator cutis ani muscle* Machinery used to manufacture corrugated fiberboard used in boxes... - cortex
Cortex (anatomy)
In anatomy and zoology the cortex is the outermost layer of an organ . Organs with well-defined cortical layers include kidneys, adrenal glands, ovary, the thymus, and portions of the brain, including the cerebral cortex, the most well-known of all cortices.... - corticobulbar axons - corticomedial amygdala - corticopontine fibers
Corticopontine fibers
More commonly referred to as corticobulbar fibers, Corticopontine fibers refer to motor fibers that stretch from the precentral gyrus to the nuclei of cranial nerves V , VII , and XII .... - corticospinal tract
Corticospinal tract
The corticospinal or pyramidal tract is a collection of axons that travel between the cerebral cortex of the brain and the spinal cord.The corticospinal tract mostly contains motor axons.... - corticostriate fiber - costal cartilages
Costal cartilages
The costal cartilages are bars of hyaline cartilage which serve to prolong the ribs forward and contribute very materially to the elasticity of the walls of the thorax.... - costal margin
Costal margin
The costal margin, sometimes referred to as the costal arch, is the medial margin formed by the false ribs -- specifically, from the seventh rib to the tenth rib.... - costophrenic angle
Costophrenic angle
In anatomy, the costophrenic angles are the places where the Diaphragm meet the ribs .Each costophrenic angle can normally be seen as on chest x-ray as a sharply-pointed, downward indentation between each hemi-diaphragm and the adjacent chest wall .... - Cowper's gland
Bulbourethral gland
A bulbourethral gland, also called a Cowper's gland for anatomist William Cowper , is one of two small exocrine glands present in the reproductive system of human males.... - coxae - cranial
Cranial
Cranial may refer to:* cranium* Anatomical terms of location* Cranial Osteopathy... - cranial autonomic ganglia - cranial bone - cranial nerve ganglia
Cranial nerve ganglia
In neuroanatomy, the cranial nerve ganglia are Sensory system ganglia of the cranial nerves. The dorsal root ganglia are the corresponding structures of the spinal nerves.... - cranial nerve lesion - cranial nerve nuclei - cranial nerves
Cranial nerves
Cranial nerves are nerves that emerge directly from the brain stem in contrast to spinal nerves which emerge from segments of the spinal cord. Although thirteen cranial nerves in human anatomy fit this description, twelve are conventionally recognized.... - cranium - cremaster
Cremaster
Cremaster is a term derived from the Greek verb ??e??????? = "I hang ", not from Latin cremare = "to burn". It may refer to:* The cremaster muscle, part of genital anatomy in humans... - cribriform
Cribriform
Cribriform can refer to:* Cribriform plate* Fascia cribrosa... - cribriform plate
Cribriform plate
The cribriform plate of the ethmoid bone is received into the ethmoidal notch of the frontal bone and roofs in the nasal cavity.Projecting upward from the middle line of this plate is a thick, smooth, triangular Process , the crista galli, so called from its resemblance to a Rooster's comb.... - cricoarytenoid ligament
Cricoarytenoid ligament
The Cricoarytenoid ligament extends from the lamina of the cricoid cartilage to the medial surface of the base and muscular process of the arytenoid cartilage.... - cricoarytenoid muscle
Cricoarytenoid muscle
Cricoarytenoid muscles are muscles that connect the cricoid cartilage and arytenoid cartilage.More specifically, it can refer to:* Posterior cricoarytenoid muscle... - cricoid
Cricoid
The cricoid cartilage, or simply cricoid , is the only complete ring of cartilage around the Vertebrate trachea.... - cricoid cartilage - cricothyroid joint - cricothyroid ligament
Cricothyroid ligament
The cricothyroid ligament is the larger part of the larynx membrane, continuing inferiorly as a median or anterior part and twin lateral ligaments.... - cricothyroid muscle
Cricothyroid muscle
The cricothyroid muscle attaches to the anterolateral aspect of the cricoid and the inferior cornu and lower lamina of the thyroid cartilage, tilting the thyroid forwards and tensing the vocal cords.... - crista
Crista
Cristae are the internal compartments formed by the Inner mitochondrial membrane of a mitochondrion. They are studded with proteins, including ATP synthase and a variety of cytochromes.... - crista galli
Crista galli
The crista galli is a median ridge of bone that projects from the cribriform plate of the ethmoid bone.It is where the falx cerebri attaches anteriorly to the skull.... - crossed extensor reflex
Crossed extensor reflex
The crossed extensor reflex is a withdrawal reflex.When the reflex occurs the flexors in the withdrawing limb contract and the extensors relax, while in the other limb the opposite occurs.... - cruciate ligaments - cruciform ligament - crus
Crus
Crus or cnemis is the portion of the body starting from the ankle and ends at the knee. It is sometimes known as the gaiter.Crus can also refer to other anatomical structures that are leg-shaped:... - crus cerebri - crus of the diaphragm - cubital - cuboid
Cuboid bone
The cuboid bone is one of seven tarsus bones.... - culmen
Culmen
Culmen can refer to:* Culmen * Culmen ... - cuneate
Cuneate
Cuneate means "wedge-shaped," it can apply to:*leaf shape*the cuneate nucleus, a part of the brainstem*the cuneate fasciculus, a tract from the spinal cord into the brainstem... - cuneate fasciculus - cuneate nucleus
Cuneate nucleus
One of the dorsal column nuclei, the cuneate nucleus is a wedge-shaped nucleus in the closed part of the medulla oblongata. It contains cells that give rise to the cuneate tubercle, visible on the posterior aspect of the medulla.... - cuneate tubercle - cuneiforms
Cuneiform (anatomy)
There are three cuneiform bones in the human foot:* the medial cuneiform* the intermediate cuneiform also known as the middle* the lateral cuneiform... - cuneocerebellar fibers - cuneus
Cuneus
The cuneus is a portion of the human brain in the occipital lobe.The cuneus receives visual information from the contralateral superior retina representing the inferior visual field.... - cupula
Cupula
The cupula is a structure in the vestibular system, sensing proprioception.The cupula is located within the ampullae of each of the three semicircular canals.... - cusp - cutaneous - cyst
Cyst
A cyst is a closed sac having a distinct biological membrane and cell division on the nearby Biological tissue. It may contain air, fluids, or semi-solid material.... - cystic duct
Cystic duct
The cystic duct is the short duct that joins the gall bladder to the common bile duct. It usually lies next to the cystic artery. It is of variable length.... - cystogram -
The dartos is a layer of smooth muscle fiber outside the external spermatic fascia but below the skin.... - DCML
Posterior column-medial lemniscus pathway
The posterior column-medial lemniscus pathway is the sense pathway responsible for transmitting touch, vibration and proprioception information from the body to the cerebral cortex.... - decerebrate response - declive - decomposition of movement - decorticate response - deep cerebellar nuclei
Deep cerebellar nuclei
The deep cerebellar nuclei are four in number on either sideThe four deep cerebellar Nucleus are in the center of the cerebellum, embedded in the white matter.... - deep lingual artery
Deep lingual artery
The deep lingual artery is the terminal portion of the lingual artery after the sublingual artery is given off.As seen in the picture, it travels superiorly in a tortuous course along the under surface of the tongue, below the Longitudinalis inferior, and above the mucous membrane.... - deglutition - deltoid
Deltoid muscle
In human anatomy, the deltoid muscle is the muscle forming the rounded contour of the shoulder.It was previously called the Deltoideus and the name is still used by some anatomists.... - deltopectoral triangle - demyelination - dendrite
Dendrite
Dendrites are the branched projections of a neuron that act to conduct the electrochemical stimulation received from other neural cells to the cell body, or Soma , of the neuron from which the dendrites project.... - dendritic spine
Dendritic spine
A dendritic spine is a small membranous protrusion from a neuron's dendrite that typically receives input from a single synapse of an axon. Dendritic spines serve as a storage site for synaptic strength and help transmit electrical signals to the neuron's cell body.... - dens - dental alveolus
Dental alveolus
Dental alveolus are sockets in the jaws in which the roots of teeth are held in the alveolar process of maxilla with the periodontal ligament. The lay term for dental alveoli is tooth sockets.... - dental caries - dental formula
Dentition
Dentition is the tooth development of teeth and their arrangement in the mouth.All mammals except the monotremes, the xenarthrans, the pangolins, and the cetaceans have up to four distinct types of teeth, with a maximum number for each.... - dental pulp - dentate gyrus
Dentate gyrus
The dentate gyrus is part of the hippocampal formation. It is thought to contribute to new memory as well as other functional roles. It is notable as being one of a select few brain structures currently known to have high rates of neurogenesis in adult humans, .... - dentate nucleus
Dentate nucleus
The Dentate nucleus is located within the deep white matter of each cerebellar hemisphere. It is the largest of the four deep cerebellar nuclei, the others being the fastigial nucleus and the interposed nucleus .... - dentatothalamic tract
Dentatothalamic tract
The dentatothalamic tract is a tract which connects the dentate nucleus and the thalamus.... - denticulate ligament - dentine - dentition
Dentition
Dentition is the tooth development of teeth and their arrangement in the mouth.All mammals except the monotremes, the xenarthrans, the pangolins, and the cetaceans have up to four distinct types of teeth, with a maximum number for each.... - depressor anguli oris muscle
Depressor anguli oris muscle
The Depressor anguli oris arises from the oblique line of the mandible, whence its fibers converge, to be inserted, by a narrow fasciculus, into the angle of the mouth.... - dermatoglyphics
Dermatoglyphics
Dermatoglyphics is the scientific study of fingerprints. The term was coined by Dr. Harold Cummins, the father of American fingerprint analysis, even though the process of fingerprint identification had already been used for several hundred years .... - dermatome
Dermatome
Dermatome may refer to:*Dermatome , a surgical instrument used to produce thin slices of skin*Dermatome , an area of skin that is supplied by a single pair of dorsal roots... - dermis
Dermis
File:EpidermisPainted.svgThe dermis is a layer of skin between the epidermis_ and subcutaneous tissues, and is composed of two layers, the papillary_dermis and reticular dermis.... - descendens cervicalis - descending aorta
Descending aorta
The descending aorta is part of the Aorta, the largest artery in the body. The descending aorta is the part of the aorta beginning at the Aortic arch that runs down through the Chest and Abdomen.... - descending duodenum - detrusor - deviated septum
Deviated septum
Nasal septum deviation is a common physical disorder of the nose, involving a displacement of the nasal septum.... - diagonal band - diagonal band of Broca
Diagonal band of Broca
The diagonal band of Broca consists of fibers that are said to arise in the parolfactory area, the gyrus subcallosus and the anterior perforated substance, and course backward in the longitudinal striae to the dentate gyrus and the hippocampal region.... - diaphragm - diaphragma sellae
Diaphragma sellae
The diapragma sellae or sellar diaphragm is the circular fold of dura mater that almost completely roofs the fossa hypophyseos in the sphenoid bone of the skull.... - diaphragmatic recess - diaphysis
Diaphysis
The diaphysis is the main or mid section of a long_bone . It is made up of cortical bone and usually contains bone marrow and adipose tissue .... - diastole
Diastole
Diastole is the period of time when the heart fills with blood after systole . Ventricle diastole is the period during which the ventricles are relaxing, while atrium diastole is the period during which the atria are relaxing.... - diencephalon
Diencephalon
The diencephalon is the region of the brain that includes the thalamus, hypothalamus, epithalamus, prethalamus or subthalamus and pretectum. The diencephalon is located at the midline of the brain, above the mesencephalon of the brain stem.... - digastric fossa - digastric muscle
Digastric muscle
The digastric muscle is a small muscle located under the jaw.It lies below the body of the mandible, and extends, in a curved form, from the mastoid process to the symphysis menti.... - digastric triangle - digestive system - diplopia
Diplopia
Diplopia, commonly known as double vision, is the simultaneous perception of two images of a single object. These images may be displaced horizontally, vertically, or diagonally in relation to each other.... - diploë
Diploë
It refers to the spongy bone structure of the internal part of short, irregular, and flat bones.In the cranial bones, the layers of compact tissue are familiarly known as the tables of the skull; the outer one is thick and tough; the inner is thin, dense, and brittle, and hence is termed the vitreous table.... - dislocation
Dislocation (medicine)
Joint dislocation, or luxation , occurs when bones in a joint become displaced or misaligned. It is often caused by a sudden impact to the joint.... - dissection
Dissection
Dissection is usually the process of disassembling and observing something to determine its internal structure and as an aid to discerning the function and relationships of its components.... - distal - diverticulum
Diverticulum
A diverticulum is medicine or biology term for an outpouching of a hollow structure in the body.In medicine the term usually implies that the structure is not normally present, i.e.... - doll's eyes phenomenon - dorsal
Dorsum (biology)
In anatomy, the dorsum is the upper side of animals that typically run, fly, or swim in a horizontal position, and the back side of animals that walk upright.... - dorsal cochlear nucleus
Dorsal cochlear nucleus
The dorsal cochlear nucleus , is a cortex-like structure on the dorso-lateral surface of the brainstem. Along with the ventral cochlear nucleus, it forms the cochlear nucleus, where all auditory nerve fibers from the cochlea form their first synapses.... - dorsal column - dorsal column nuclei
Dorsal column nuclei
In neuroanatomy, the dorsal column nuclei are a pair of nucleus in the brainstem. The name refers collectively to the cuneate nucleus and gracile nucleus, which are present at the junction between the spinal cord and the medulla oblongata.... - dorsal funiculus - dorsal horn - dorsal root
Dorsal root
In anatomy and neurology, the dorsal root is the afferent nervesomatosensory system root of a spinal nerve.At the distal end of the dorsal root is the dorsal root ganglion, which contains the neuron cell bodies of the nerve fibres conveyed by the root.... - dorsal root ganglion
Dorsal root ganglion
In anatomy and neurology, the dorsal root ganglion is a nodule on a dorsal root that contains cell bodies of neurons in afferent nerve spinal nerves.... - dorsal spinocerebellar tract
Dorsal spinocerebellar tract
The dorsal spinocerebellar tract conveys proprioception information from the body to the cerebellum.It is part of the somatosensory system and runs in parallel with the ventral spinocerebellar tract.... - dorsal trigeminothalamic tract - dorsolateral fasciculus - dorsomedial nucleus of thalamus - dorsum sellae
Dorsum sellae
In the sphenoid bone, the anterior boundary of the sella turcica is completed by two small eminences, one on either side, called the middle clinoid processes, while the posterior boundary is formed by a square-shaped plate of bone, the dorsum sell?, ending at its superior angles in two Tubercle , the posterior clinoid processes, the size and... - dowager's hump
Kyphosis
Kyphosis also called "hunch back" or "hunchbackism" or "hunchbackedness", in general terms, is a common condition of a curvature of the upper spine .... - ductless gland
Ductless gland
Ductless glands are glands that secrete their product directly onto a surface rather than through a duct. Examples are the goblet cells in the Epithelium surface of the digestive, respiratory, urinary and reproductive systems.... - ductus - ductus deferens - duodenum
Duodenum
The duodenum is the first section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divisions of the small intestine are not as clear and the terms anterior intestine or proximal intestine may be used instead of duodenum.... - dura mater
Dura mater
The dura mater , or pachymeninx, is the tough and inflexible outermost of the three layers of the meninges surrounding the brain and spinal cord.... - dural septae - dural venous sinus -
The ear is the sense organ that detects sounds. The vertebrate ear shows a common biology from fish to humans, with variations in structure according to order and species.... - eardrum
Eardrum
The tympanic membrane , is a thin biological membrane that separates the external ear from the middle ear. Its function is to transmit sound from the air to the ossicles inside the middle ear.... - ectopia
Ectopia
In medicine an ectopia is a displacement or malposition of an Organ of the body. Most ectopias are Congenital disorder but some may happen later in life.... - Edinger-Westphal nucleus
Edinger-Westphal nucleus
The Edinger-Westphal nucleus is the accessory parasympathetic nervous system cranial nerve nucleus of the oculomotor nerve , supplying the constricting muscles of the Iris .... - efferent ducts
Efferent ducts
The efferent ducts connect the rete testis with the initial section of the epididymis.There are two basic designs for efferent ductule structure:... - efferent nerve fiber - efferent limb - ejaculatory duct
Ejaculatory duct
The Ejaculatory ducts are paired structures in male anatomy, about 2 cm in length.Each ejaculatory duct is formed by the union of the vas deferens with the Excretory duct of seminal gland.... - elbow - electrical conduction system of the heart
Electrical conduction system of the heart
The normal electrical conduction in the heart allows the impulse that is generated by the sinoatrial node of the heart to be propagated to the myocardium .... - emboliform nucleus
Emboliform nucleus
The emboliform nucleus lies immediately to the medial side of the nucleus dentatus, and partly covering its hilus. It is one among the four pairs of cerebellar nuclei, which are from lateral to medial: the dentate, interposed , and fastigial nuclei.... - embolus
Embolism
In medicine, an embolism occurs when an object migrates from one part of the body and causes a blockage of a blood vessel in another part of the body.... - embryo
Embryo
An embryo is a multicellular organism ploidy eukaryote in its earliest stage of development, from the time of first cell division until birth, Egg , or germination.... - embryonic yolk stalk - emissary veins
Emissary veins
The emissary veins are valveless veins which normally drain external veins of the skull into the dural venous sinuses. However, because they are valveless, pus can flow into the skull through them as well, making them a possible route for transmission of extracranial infection to get into the skull.... - enamel
Tooth enamel
Tooth enamel is the hardest and most highly mineralized substance of the body, and with dentin, cementum, and Pulp is one of the four major tissues which make up the tooth in vertebrates.... - encephalon - encephalopathy
Encephalopathy
Encephalopathy /?n?s?f?'l?p??i/ literally means Disorder or disease of the brain. ... - endocardium
Endocardium
The endocardium is the innermost layer of tissue that lines the chambers of the heart. Its Cell , embryology and biology, are similar to the endothelium cells that line blood vessels.... - endocranium - endocrine gland - endocrine system
Endocrine system
The endocrine system is a system of small organs that involve the release of extracellular signaling molecules known as hormones. The endocrine system is instrumental in regulating metabolism, human development , and tissue and also plays a part in determining Mood .... - endoderm
Germ layer
A germ layer is a group of cell s, formed during animal embryogenesis. Germ layers are particularly pronounced in the vertebrates; however, all animals more complex than sea sponge produce two or three primary tissue layers .... - endolymph
Endolymph
Endolymph is the fluid contained in the membranous labyrinth of the inner ear.It is also called Scarpa's fluid, after Antonio Scarpa.... - endometrium
Endometrium
The endometrium is the inner membrane of the mammalian uterus.... - endoneurium
Endoneurium
The endoneurium is a layer of delicate connective tissue that encloses the myelin sheath of a nerve fiber within a funiculus.It is continuous with septa which pass inward from the innermost layer of the perineurium, and shows a ground substance in which are imbedded fine bundles of fibrous connective tissue, primarily collagen, running for... - endorphin
Endorphin
Endorphins are endogenous opioid polypeptide compounds. They are produced by the pituitary gland and the hypothalamus in vertebrates during strenuous exercise, excitement, pain, and orgasm, and they resemble the opiates in their abilities to produce analgesia and a sense of well-being.... - endothelium
Endothelium
The endothelium is the thin layer of cell that line the interior surface of blood vessels, forming an interface between circulating blood in the lumen and the rest of the vessel wall.... - enkephalin
Enkephalin
An enkephalin is a pentapeptide involved in regulating pain and nociception in the body. The enkephalins are termed endogenous ligands, or specifically endorphins, as they are internally derived and bind to the body's opioid receptors.... - entorhinal cortex
Entorhinal cortex
The entorhinal cortex is an important memory center in the brain. The EC forms the main input to the hippocampus and is responsible for the pre-processing of the input signals.... - ependyma
Ependyma
Ependyma is the thin Epithelium lining the ventricular system of the brain and the spinal cord. Ependyma is one of the four types of neuroglia in the central nervous system.... - epicanthus - epicardium
Epicardium
Epicardium describes the outer layer of heart tissue . When considered as a part of the pericardium, it is the inner layer, or visceral pericardium.... - epicondyle
Epicondyle
Epicondyle may refer to:* medial epicondyle of the humerus * medial epicondyle of the femur* lateral epicondyle of the humerus * lateral epicondyle of the femur... - epicranial aponeurosis - epidermis
Epidermis (skin)
The epidermis is the outermost layer of the skin, composed of terminally differentiated stratified squamous epithelium, acting as the body's major barrier against an inhospitable environment.... - epididymis
Epididymis
The epididymis is part of the male reproductive system and is present in all male mammals. It is a narrow, tightly-coiled tube connecting the efferent ducts from the rear of each testicle to its vas deferens.... - epidural hematoma
Epidural hematoma
Epidural or extradural hematoma is a type of traumatic brain injury in which a buildup of blood occurs between the dura mater and the skull.... - epidural space
Epidural space
In the Vertebral column, the epidural space is the outermost part of the spinal canal. It is the space within the canal lying outside the dura mater .... - epigastrium
Epigastrium
The epigastrium is the upper central region of the abdomen. It is located between the costal margins and the subcostal plane.The epigastrium is one of the nine anatomical regions of the abdomen, along with the right and left hypochondrium, right and left lateral regions , right and left inguinal regions , and the umbilical and pubic region... - epiglottic cartilage - epiglottis
Epiglottis
The epiglottis is a flap of elastic cartilage tissue covered with a mucous membrane, attached to the root of the tongue. It projects obliquely upwards behind the tongue and the hyoid bone.... - epimysium
Epimysium
Epimysium is a layer of connective tissue which ensheaths the entire muscle. It is composed of dense irregular connective tissue. It is continuous with fascia and other connective tissue wrappings of muscle including the endomysium, and perimysium.... - epineurium
Neurolemma
Neurolemma is the outermost cell nucleus cytoplasm layer of Schwann cells that surrounds the axon of the neuron. It forms the outermost layer of the nerve fiber in the peripheral nervous system.... - epiphyseal growth plates - epiphysis
Epiphysis
The epiphysis is the rounded end of a long bone, at its joint with adjacent bone. Between the epiphysis and diaphysis lies the metaphysis, including the epiphyseal plate .... - epiploic foramen - epithalamus
Epithalamus
The epithalamus is a Dorsum posterior segment of the diencephalon which includes the habenula, the stria medullaris and the pineal body. Its function is the connection between the limbic system to other parts of the brain.... - epithelium
Epithelium
In biology and medicine, epithelium is a Biological tissue composed of cell s that line the cavities and surfaces of structures throughout the body.... - epitympanic recess
Epitympanic recess
The epitympanic recess is located on the superior/ roof aspect of the middle ear. It is a possible route of spread of infection to the mastoid air cells .... - erector spinae
Erector spinae
The Erector spin? , a bundle of muscles and tendons, and its prolongations in the thoracic and cervical regions, lie in the groove on the side of the vertebral column.... - esophageal plexus
Esophageal plexus
The esophageal plexus is formed by fibers from two sources: 1.branches of the vagus nerve 2.visceral branches of the sympathetic trunk. The esophageal plexus and the cardiac plexus contain the same types of fibers and are both considered thoracic autonomic plexus.... - esophageal sphincter - esophagus
Esophagus
The esophagus or oesophagus , sometimes known as the gullet, is an Organ in vertebrates which consists of a Muscle tube through which food passes from the pharynx to the stomach.... - essential tremor
Essential tremor
Essential tremor is a progressive neurological disorder whose most recognizable feature is a tremor of the arms that is apparent during voluntary movements such as eating and writing.... - ethmoid bone
Ethmoid bone
The ethmoid bone is a bone in the skull that separates the nasal cavity from the brain. As such, it is located at the roof of the nose, between the two Orbit s.... - ethmoid sinus
Ethmoid sinus
The ethmoid sinus, one of the paranasal sinuses, is the collective name for the ethmoidal air cells.Each ethmoid sinus is an air-space enclosed within the ethmoid bone.... - ethmoidal air cells - ethmoidal bulla - Europhiles
Europhiles
Europhiles of Calcedonia lived during the 3rd century BC. He contributed enormously to the study of anatomy with his many discoveries of the human body.... - eustachian tube
Eustachian tube
The Eustachian tube is a tube that links the pharynx to the middle ear. In adults the Eustachian tube is approximately 35 mm long. It is named after the sixteenth century anatomist Bartolomeo Eustachi.... - excretory system
Excretory system
This system involves the kidneys and the liver which is not part of the system but creates most of the excreted waistLeifangThe excretory system excretes wastes.... - exocrine gland
Exocrine gland
Exocrine glands are glands that secrete their products into duct s . They are the counterparts to endocrine glands, which secrete their products directly into the bloodstream or release hormones that affect only target cells nearby the release site.... - exophthalmos
Exophthalmos
Exophthalmos is a bulging of the eye anteriorly out of the orbit . Exophthalmos can be either bilateral or unilateral . Measurement of the degree of exophthalmos is performed using an exophthalmometer.... - exoskeleton
Exoskeleton
An exoskeleton is an external skeleton that supports and protects an animal's body, in contrast to the internal endoskeleton of, for example, a human skeleton.... - exotropia
Exotropia
Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia. People with exotropia often experience crossed diplopia.... - extensor plantar response - extensor posturing - extensor retinaculum
Extensor retinaculum
Extensor retinaculum may refer to:* Extensor retinaculum of the hand* Superior extensor retinaculum of the foot* Inferior extensor retinaculum of the foot... - external auditory meatus - external capsule
External capsule
The external capsule is a series of white matter fiber tracts in the brain. These fibers run between the most lateral segment of the lentiform nucleus and the claustrum.... - external carotid artery
External carotid artery
In human anatomy, the external carotid artery is a major artery of the head and neck. It arises from the common carotid artery when it bifurcates into an internal and external branch.... - external ear - external iliac artery
External iliac artery
The external ilium artery is a large artery in the pelvic region that carries blood to the lower limb.The external iliac artery is a paired artery, meaning there is one on each side of the body: a right external iliac artery and left external iliac artery.... - external jugular vein
External jugular vein
The external jugular vein receives the greater part of the blood from the exterior of the cranium and the deep parts of the face, being formed by the junction of the posterior division of the posterior facial with the posterior auricular vein.... - external laryngeal nerve
External laryngeal nerve
The external laryngeal nerve is the smaller, external branch of the superior laryngeal nerve. It descends on the larynx, beneath the sternothyroid muscle, to supply the cricothyroid muscle.... - external medullary lamina - external nasal nerve
External nasal nerve
The external nasal branches are terminal branches of the anterior ethmoidal nerves , and provide sensory innervation to the skin of the side of the nose and of the septum mobile nasi.... - external occipital protuberance
External occipital protuberance
Near the middle of the occipital squama is the external occipital protuberance, and extending lateralward from it on either side is the superior nuchal line, and above this the faintly marked highest nuchal line.... - external ophthalmoplegia - extraocular muscles
Extraocular muscles
The extraocular muscles are the six muscles that control the eye movements. The actions of the extraocular muscles depend on the position of the eye at the time of muscle contraction.... - extraperitoneal - extrapyramidal motor system - extrapyramidal signs - extrapyramidal system
Extrapyramidal system
In human anatomy, the extrapyramidal system is a neural network located in the human brain that is part of the motor system involved in the coordination of movement.... - extreme capsule
Extreme capsule
The extreme capsule is a series of white matter fiber tracts in the brain. These fibers run between the claustrum and the insular cortex.... - extrinsic muscle - eye
Eye
Eyes are Organ that detect light, and send signals along the optic nerve to the visual system and other areas of the brain. Complex optical systems with resolving power have come in ten fundamentally different forms, and 96% of animal species possess a complex optical system.... - eyebrow
Eyebrow
The eyebrow is an area of thick, delicate hairs above the eye that follows the shape of the lower margin of the Supraorbital ridge. Their main function is to protect the eye, but they are also important to human communication and facial expression.... - eyelash
Eyelash
An eyelash or simply lash is one of the hairs that grow at the edge of the eyelid. Eyelashes protect the eye from debris and perform some of the same function as vibrissae do on a cat or a mouse in the sense that they are sensitive to being touched, thus providing a warning that an object is near the eye .... - eyelid
Eyelid
An eyelid is a thin fold of skin that covers and protects an eye. With the exception of the prepuce and the labia minora, it has the thinnest skin of the whole body.... -
The fabella is a small sesamoid bone found in some mammals embedded in the tendon of the lateral head of the gastrocnemius muscle behind the lateral condyle of the femur.... - face
Face
The term face refers to the central sense organ complex, for those animals that have one, normally on the ventral surface of the head and can depending on the definition in the human case, include the hair, forehead, eyebrow, eyes, nose, ears, cheeks, mouth, lips, philtrum, tooth, skin, and chin.... - facet - facial artery
Facial artery
The facial artery is a branch of the external carotid artery that supplies structures of the face.... - facial bone - facial colliculus
Facial colliculus
The facial colliculus is an elevated area located on the dorsal pons. It is formed by motor fibres of the facial nerve as they loop over the abducens nucleus.... - facial nerve
Facial nerve
The facial nerve is the seventh of twelve paired cranial nerves. It emerges from the brainstem between the pons and the medulla oblongata, and controls the muscles of facial expression, and taste to the anterior two-thirds of the tongue.... - facial nucleus - facial vein - falciform ligament
Falciform ligament
The falciform ligament is a broad and thin antero-posterior peritoneal fold, falciform in shape, its base being directed downward and backward, its apex upward and backward.... - Fallopian tube
Fallopian tube
The Fallopian tubes, named after Gabriel Fallopius , also known as oviducts, uterine tubes, and salpinges are two very fine tubes lined with cilia epithelia, leading from the ovaries of female mammals into the uterus.... - false vocal cord - falx cerebri
Falx cerebri
The falx cerebri, also known as the cerebral falx, so named from its sickle-like form, is a strong, arched fold of dura mater which descends vertically in the longitudinal fissure between the cerebral hemispheres.... - fascia
Fascia
Fascia , pl. fas?ci?ae , adj. fascial is the soft tissue component of the connective tissue system that permeates the human body.... - fascia lata
Fascia lata
The fascia lata is the deep fascia of the thigh.... - fascicle
Fascicle
A fascicle is a bundle or a cluster.Fascicle may also refer to:* Muscle fascicle, in anatomy, a bundle of skeletal muscle fibers surrounded by connective tissue... - fasciculation
Fasciculation
A fasciculation is a small, local, involuntary muscle contraction visible under the skin arising from the spontaneous discharge of a bundle of skeletal muscle fibers.... - fasciculus lenticularis - fastigial nucleus
Fastigial nucleus
The fastigial nucleus or nucleus fastigii refers specifically to the concentration of gray matter nearest to the middle line at the anterior end of the superior vermis, and immediately over the roof of the fourth ventricle, from which it is separated by a thin layer of white matter.... - fastigium - fat
Fat
Fats consist of a wide group of compounds that are generally soluble in organic solvents and largely insoluble in water. Chemistry, fats are generally ester of glycerol and fatty acids.... - fauces
The femoral artery is a large artery in the muscles of the thigh.... - femoral neck - femoral triangle
Femoral triangle
The femoral triangle is an anatomical region of the upper inner human thigh.... - femur
Femur
The femur, or thigh bone, is the most proximal bone of the leg in vertebrates capable of walking or jumping, such as most land mammals, birds, many reptiles such as lizards, and amphibians such as frogs.... - fenestra - fenestra cochleae - fenestra ovalis - fenestra vestibuli - fetus
Fetus
A fetus is a developing mammal or other viviparous vertebrate, after the embryonic stage and before childbirth. The plural is fetuses, or sometimes feti.... - fibre - fibril
Fibril
Fibril is a fine fiber approximately 1 Nanometre in diameter.Cytoplasmic fibrils are observed on the protoplasmic cylinders found in most spirochetal species, although no function of the cytoplasmic fibrils has been ascribed.... - fibrillation
Fibrillation
Fibrillation commonly refers to the rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart. There are two major classes of fibrillation: atrial fibrillation and ventricular fibrillation.... - fibrous coat of the eye - fibrous pericardium
Fibrous pericardium
The fibrous pericardium is the most superficial layer of the pericardium. It is a dense connective tissue, protecting the heart, anchoring it to the surrounding walls, and preventing it from overfilling with blood.... - fibrous skeleton of the heart - fibula
Fibula
The fibula or calf bone is a bone located on the lateral side of the tibia, with which it is connected above and below. It is the smaller of the two bones, and, in proportion to its length, the most slender of all the long bones.... - fields of Forel - filiform papillae - filum - filum terminale
Filum terminale
The filum terminale is a delicate filament, about 20 cm. in length, prolonged downward from the apex of the conus medullaris.It consists of two parts, an upper and a lower.... - fimbriae - finger
Finger
A finger is a type of digit , an organ of manipulation and sensation found in the hands of humans and other primates.Normally humans have five digits, termed phalanges, on each hand .... - fingernail - first thoracic ganglion - fissure
Fissure
In anatomy, fissure is a groove, natural division, deep furrow, cleft, or tear in various parts of the body.... - fistula
Fistula
In medicine, a fistula is an abnormal connection or passageway between two epithelium-lined organs or vessels that normally do not connect.... - flaccid paralysis
Flaccid paralysis
Flaccid paralysis a clinical manifestation characterized by weakness or paralysis and reduced muscle tone without other obvious cause .... - flaccidity - flank - flexion
Flexion
In anatomy, flexion is a position that is made possible by the joint angle decreasing. The skeletal and muscular systems work together to move the joint into a "flexed" position.... - flexor retinaculum
Flexor retinaculum
Flexor retinaculum may be:* Flexor retinaculum of the hand, the retinaculum flexorum manus* Flexor retinaculum of the foot, the retinaculum musculorum flexorum pedis... - floating ribs - flocculonodular lobe
Flocculonodular lobe
The flocculonodular lobe is a lobe of the cerebellum consisting of the nodule and the flocculus.It is closely associated with the vestibulocerebellum.... - flocculus
Flocculus
The flocculus is a small lobe of the cerebellum at the posterior border of the middle cerebellar peduncle anterior to the biventer lobule.It is associated with the nodulus of the vermis; together, these two structures compose the vestibular part of the cerebellum.... - fluent aphasia - foetus - fontanelle
Fontanelle
A fontanelle is an human anatomy feature on an infant's skull. Fontanelles are soft spots on a baby's head which, during birth, enable the bony plates of the skull to flex, allowing the child's head to pass through the birth canal.... - foot
Foot
The foot is an anatomical structure found in many animals. It is the terminal portion of a limb which bears weight and allows locomotion. In many animals with feet, the foot is a separate organ at the terminal part of the leg made up of one or more segments or bones, generally including claws or nails.... - foramen
The foramen lacerum is a triangular hole in the base of the skull located at the base of the medial pterygoid plate.... - foramen magnum
Foramen magnum
In anatomy, in the occipital bone, the foramen magnum is one of the several oval or circular apertures in the base of the skull , through which the medulla oblongata enters and exits the skull vault.... - foramen of Luschka - foramen of Magendie - foramen of Monro - foramen ovale
Foramen ovale
There are multiple structures in the human body with the name foramen ovale :* In the fetal heart, the foramen ovale is a shunt from the right to left Atrium .... - foramen rotundum
Foramen rotundum
The foramen rotundum is a circular hole in the sphenoid bone that connects the middle cranial fossa and the pterygopalatine fossa.... - foramen spinosum
Foramen spinosum
The foramen spinosum is one of several Foramina of skull located in the base of the skull, on the sphenoid bone, situated lateral to the foramen ovale , in a posterior angle.... - forceps major - forearm
Forearm
The forearm is the structure on the upper limb, between the Elbow-joint and the wrist.. This term is used in anatomy to distinguish it from the arm .... - forebrain - forehead
Forehead
In human anatomy, the forehead or brow is the bony part of the head above the eyes.... - foreskin
Foreskin
In male human anatomy, the foreskin or prepuce is a retractable double-layered fold of skin and mucous membrane that covers the glans penis and protects the urinary meatus when the penis is not erection.... - formication
Formication
Formication is a somewhat unusual, but medically well-known, abnormal sensation. This sensation closely resembles the feeling of insects crawling on and/or under the skin, and can also include sensations which resemble those of insects stinging or biting.... - fornix
Fornix
The fornix is a C-shaped bundle of fibres in the brain, and carries signals from the hippocampus to the mammillary bodies and septal nuclei.... - fossa
Fossa
Fossa is the Latin language word for ditch or trench. It can refer to one of the following:... - fourth ventricle
Fourth ventricle
The fourth ventricle is one of the four connected fluid-filled cavities within the human brain. These cavities, known collectively as the ventricular system, consist of the left and right lateral ventricles, the third ventricle, and the fourth ventricle.... - fovea
Fovea
The fovea, also known as the fovea centralis, is a part of the eye, located in the center of the macula region of the retina.The fovea is responsible for sharp central Visual perception , which is necessary in humans for reading , watching television or movies, driving, and any activity where visual detail is of primary importance.... - foveola - frenulum
Frenulum
A frenulum is a small fold of tissue that secures or restricts the motion of a mobile organ in the body.... - frenulum linguae
Frenulum linguae
The frenulum of tongue is the frenulum of the tongue, a small fold of mucous membrane extending from the floor of the mouth to the midline of the underside of the tongue.... - frenum - frontal air sinus - frontal bone
Frontal bone
The frontal bone is a bone in the human skull that resembles a Cockle in form, and consists of two portions:* a vertical portion, the squama frontalis, corresponding with the region of the forehead.... - frontal eye field - frontalis - frontal horn of lateral ventricle - frontal lobe
Frontal lobe
The frontal lobe is an area in the brain of mammals. It is located at the front of each cerebral hemisphere and positioned anterior to the parietal lobes and above and anterior to the temporal lobes.... - frontal nerve
Frontal nerve
The frontal nerve is the largest branch of the ophthalmic nerve, and may be regarded, both from its size and direction, as the continuation of the nerve.... - frontal plane - frontal pole - frontal sinus
Frontal sinus
Sinuses are mucosa-lined airspaces within the bones of the face and skull. The frontal sinuses, situated behind the superciliary arches, are absent at birth, but are generally fairly well developed between the seventh and eighth years, only reaching their full size after puberty.... - frontonasal duct
Frontonasal duct
The frontal air sinuses are lined by mucous membrane, and each communicates with the corresponding nasal cavity by means of a passage called the frontonasal duct.... - fundiform ligament
Fundiform ligament
The fundiform ligament is a specialization, thickening, of the superficial fascia extending from the linea alba of the lower abdominal wall.It runs from the level of the pubic bone, laterally around the sides of the penis like a sling , and then unites at the base of the penis before going to the septum of the scrotum.... - fundus
Fundus
Fundus is an anatomical term referring to the portion of an organ opposite from its opening. Examples include:* Fundus * Fundus of gallbladder... - fungiform papillae - funiculus
Funiculus
The cerebrospinal nerves consist of numerous nerve fibers collected together and enclosed in membranous sheaths. A small bundle of fibers, enclosed in a tubular sheath, is called a funiculus; if the nerve is of small size, it may consist only of a single funiculus; but if large, the funiculi are collected together into larger bundles or fasci... - furcula
Furcula
The furcula is a forked bone found in birds and theropod dinosaurs, formed by the fusion of the two clavicles. In birds, its function is the strengthening of the Thorax skeleton to withstand the rigors of flight.... - fusiform gyrus
Fusiform gyrus
The fusiform gyrus is part of the temporal lobe. It is also known as the occipitotemporal gyrus. Other sources have the fusiform gyrus above the occipitotemporal gyrus and underneath the parahippocampal gyrus.... -
The pharyngeal reflex or gag reflex is a reflex contraction of the back of the throat, evoked by touching the soft palate. It prevents something from entering the throat except as part of normal swallowing and helps prevent choking.... - galea aponeurotica
Galea aponeurotica
The galea aponeurotica is a tough layer of dense fibrous tissue which covers the upper part of the cranium; behind, it is attached, in the interval between its union with the Occipitales, to the external occipital protuberance and highest nuchal lines of the occipital bone; in front, it forms a short and narrow prolongation between its union... - gall bladder - gamma motoneurons
Gamma motoneurons
Gamma motoneurons , also called gamma motor neurons, are a component of the fusimotor system, the system by which the central nervous system controls muscle spindle sensitivity.... - ganglion
Ganglion
In anatomy, a ganglion is a biological tissue.Cells found in a ganglion are called ganglion cells, though this term is also sometimes used to refer specifically to Retinal ganglion cells.... - ganglion cell
Ganglion cell
A retinal ganglion cell is a type of neuron located near the inner surface of the retina of the eye. It receives visual information from photoreceptor cells via two intermediate neuron types: Bipolar cell of the retinas and amacrine cells.... - ganglion cell of the retina - gasserian ganglion - gastric - gastrocnemius - gastroduodenal artery
Gastroduodenal artery
In anatomy, the gastroduodenal artery is a small blood vessel in the abdomen.It supplies blood directly to the pylorus and proximal part of the duodenum, and indirectly to the pancreas via branches.... - gastroesophageal junction - gastrohepatic ligament - gastrointestinal tract
Gastrointestinal tract
The digestive tract is the system of Organ s within multicellular animals that takes in food, digestion it to extract energy and nutrients, and expels the remaining waste.... - gemellus
Gemellus
Gemellus may refer to:*The superior gemellus muscle or the inferior gemellus muscle in the human body*Tiberius Gemellus, the adopted son of Caligula... - geniculate ganglion
Geniculate ganglion
The geniculate ganglion is an L-shaped collection of fibers and sensory neurons of the facial nerve located in the facial canal of the head. It receives fibers from the motor, sensory, and parasympathetic nervous system components of the facial nerve and sends fibers that will innervate the lacrimal glands, submandibular glands, sublingual g... - geniculate nucleus
Geniculate nucleus
There are two structures in the brain that could be called geniculate nucleus:* lateral geniculate nucleus - Visual perception* medial geniculate nucleus - Hearing ... - geniculocalcarine tract - geniculum
Geniculum
A geniculum is a small genu, or angular kneelike structure. It is often used in anatomical nomenclature to designate a sharp kneelike bend in a small structure or organ.... - genioglossus muscle - geniohyoid muscle
Geniohyoid muscle
The Geniohyoid muscle is a narrow muscle situated superior to the medial border of the mylohyoid muscle.... - genitalia - genu of corpus callosum - genu of the internal capsule - gill
Gill
A gill is an anatomical structure found in many aquatic ecosystem organisms. It is a respiration organ whose function is the extraction of oxygen from water and the excretion of carbon dioxide.... - gingiva
Gingiva
The gingiva , or gums, consists of the mucosal tissue that lies over the alveolar bone.... - gizzard
Gizzard
The gizzard, also referred to as the ventriculus, gastric mill, and gigerium, is an organ found in the digestive tract of some animals, including birds, reptiles, earthworms and some fish.... - glabella
Glabella
The glebella is the space between the eyebrows and above the nose. It is slightly elevated, and joins the two superciliary ridges.The term is derived from the Latin 'glabellus', meaning smooth, as this area is usually hairless.... - gland
Gland
A gland is an Organ in an animal's body that synthesizes a substance for release such as hormones or breast milk, often into the bloodstream or into cavities inside the body or its outer surface .... - glandula - glans
Glans
The glans is a vascular structure located at the tip of the penis in men or a homology genital structure of the clitoris in women.... - glenohumeral joint
Shoulder
In human anatomy, the shoulder joint comprises the part of the body where the humerus attaches to the scapula. The shoulder refers to the group of structures in the region of the joint.... - glenoid fossa
The globose nucleus is one of the deep cerebellar nuclei. It is located medial to the emboliform nucleus and lateral to the fastigial nucleus. This nucleus contains primarily large and small multipolar neurons.... - globus pallidus
Globus pallidus
The globus pallidus is a sub-Cerebral cortex structure of the brain. It is a major element of the basal ganglia system. In this system, it is a major constituent of the basal ganglia core, which consists of the striatum and its direct targets: globus pallidus and substantia nigra.... - glomerulus
Glomerulus
A glomerulus is a capillary tuft surrounded by Bowman's capsule in nephrons of the vertebrate kidney. It receives its blood supply from an afferent arteriole of the renal circulation.... - glossoepiglottic fold - glossopharyngeal nerve
Glossopharyngeal nerve
The glossopharyngeal nerve is the ninth of twelve pairs of cranial nerves . It exits the brainstem out from the sides of the upper Medulla oblongata, just rostral to the vagus nerve.... - glottis
Glottis
The glottis defined as the combination of the vocal folds and the space in between the folds .... - gluteus maximus - gluteus medius - gluteus minimus - goiter
Goitre
A goitre , or goiter , also called a bronchocele, is a swelling in the neck due to an enlarged thyroid.... - Golgi apparatus
Golgi apparatus
The Golgi apparatus is an organelle found in most eukaryote Cell . It was identified in 1898 by the Italian physician Camillo Golgi and was named after him.... - gonad
Gonad
The gonad is the organ that makes gametes. The gonads in males are the testes and the gonads in females are the ovaries. The product, gametes, are haploid germ cells.... - gracile fasciculus - gracile nucleus
Gracile nucleus
Located in the medulla oblongata, the gracile nucleus is one of the dorsal column nuclei that participate in the sensation of touch and proprioception of the lower body .... - gracile tubercle - gracilis - granular layer
Granular layer
The term granular layer may refer to:*the granular layer of Tomes, seen in dentin of the teeth. When dry section of the root dentin of teeth are visualized under transmitted light, a granular layer is seen adjacent to cementum.It is believed to be caused by coalescing & looping of terminal portion of dentinal tubules.... - gravid - gray matter
Gray Matter
"Gray Matter" is a short story by Stephen King, published in 1978 in the compilation Night Shift . It was first published in Cavalier in October 1973 in literature.... - Gray's Anatomy
Gray's Anatomy
Henry Gray's Anatomy of the Human Body, commonly shortened to Gray's Anatomy, is an English language human anatomy textbook widely regarded as a classic work on the subject.... - great cerebral vein - great toe
Hallux
The hallux, commonly referred to as the big toe , although it may not be the longest toe on the foot of some people, is the innermost toe of the foot.... - greater auricular nerve
Greater auricular nerve
The great auricular nerve originates from the cervical plexus, composed of branches of spinal nerves C2 and C3. It provides sensory innervation for the skin over parotid gland and mastoid process, and both surfaces of the outer ear.... - greater horn of the hyoid - greater occipital nerve
Greater occipital nerve
The greater occipital nerve is a spinal nerve arising from the dorsal primary rami of cervical spinal nerve 2, between the first and second cervical vertebrae, along with the lesser occipital nerve.... - greater omentum
Greater omentum
The greater omentum is a large fold of peritoneum that hangs down from the stomach, and extends from the stomach to the posterior abdominal wall after associating with the transverse colon.... - greater palatine artery
Greater palatine artery
The greater palatine artery goes through the greater palatine foramen, and supplies the hard palate.... - greater palatine canal
Greater palatine canal
The greater palatine canal is a passage in the skull that transmits the greater palatine artery, vein, and greater palatine nerve between the pterygopalatine fossa and the oral cavity.... - greater palatine foramen
Greater palatine foramen
At either posterior angle of the hard palate is the greater palatine foramen, for the transmission of the descending palatine vessels and anterior palatine nerve; and running forward and medialward from it a groove, for the same vessels and nerve.... - greater palatine nerve
Greater palatine nerve
The greater palatine nerve is a branch of the pterygopalatine ganglion that carries both general sensory and parasympathetic fibers. It descends through the greater palatine canal, emerges upon the hard palate through the greater palatine foramen, and passes forward in a groove in the hard palate, nearly as far as the incisor teeth.... - greater petrosal nerve - greater superficial petrosal nerve - greater wing of sphenoid - groin
Groin
In human anatomy, the groin areas are the two wikt:crease at the junction of the torso with the legs, on either side of the pubic area. A pulled groin muscle usually refers to a pulled Adductor muscles of the hip.... - gubernaculum
Gubernaculum
The paired gubernacula are folds of peritoneum that attach to the Caudal#Directions end of the gonads .... - gums
Gingiva
The gingiva , or gums, consists of the mucosal tissue that lies over the alveolar bone.... - gustatory - gyrencephalic - gyrus
Gyrus
A gyrus is a ridge on the Cerebral cortex. It is generally surrounded by one or more sulcus .... -
In neuroanatomy, habenula originally denoted the stalk of the pineal gland , but gradually came to refer to a neighboring group of nerve cells with which the pineal gland was believed to be associated, the habenular nucleus.... - habenular nuclei
Habenular nuclei
The habenular nuclei comprise a small group of nucleus that are part of the epithalamus of the diencephalon, situated at the posterior end of the thalamus, on its upper surface.... - haemorrhoid - hair
Hair
Hair is a protein filament that epidermal growth from hair follicle deep within the dermis. The fine, soft hair found on many nonhuman mammals is typically called fur; wool is the characteristically curly hair found on sheep and goats.... - hair cells - hair follicle
Hair follicle
A hair follicle is part of the skin that grows hair by packing old Cell s together. Attached to the follicle is a sebaceous gland, a tiny sebum-producing gland found everywhere except on the hands, lips and soles of the feet.... - hallux
Hallux
The hallux, commonly referred to as the big toe , although it may not be the longest toe on the foot of some people, is the innermost toe of the foot.... - hamate
Hamate bone
The hamate bone is a bone in the human hand that may be readily distinguished by its wedge-shaped form, and the hook-like process which projects from its volar surface.... - hamstrings - hamulus of hamate - hand
Hand
The hands are the two intricate, prehensile, multi-fingered body parts normally located at the end of each arm of a human or other primate. They are the chief organs for physically manipulating the environment, using anywhere from the roughest motor skills to the finest , and since the fingertips contain some of the densest areas of nerve e... - hard palate
Hard palate
The hard palate is a thin horizontal bone plate of the skull, located in the roof of the mouth. It spans the arch formed by the upper teeth.It is formed by the palatine process of the maxilla and horizontal plate of palatine bone.... - haustra
Haustra
The haustra of the colon are the small pouches caused by sacculation, which give the colon its segmented appearance. The taenia coli runs the length of the large intestine.... - Haversian system - head of rib
Head of rib
The head of the rib is the end of a rib closest to the vertebral column, with which it articulates with.It is marked by a kidney-shaped articular surface, divided by a horizontal crest into two facets for articulation with the depression formed on the bodies of two adjacent thoracic vertebrae; the upper facet is the smaller; to the crest is... - heart
Heart
The heart is a muscle organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods.... - heel
Heel
The heel is the prominence at the posterior end of the foot. It is based on the projection of one bone, the calcaneus, behind the articulation of the bones of the lower Human_leg.... - helicotrema
Helicotrema
The helicotrema is the part of the cochlear labyrinth where the scala tympani and the scala vestibuli meet. It is also known as the cochlear apex.... - helix
Helix (ear)
The prominent rim of the pinna is called the helix. Where the helix turns downward behind, a small tubercle is frequently seen: the Darwin's_tubercle.... - hematoma
Hematoma
A hematoma, or haematoma, is a collection of blood outside the blood vessels, generally the result of hemorrhage, or more specifically, internal bleeding.... - hemiazygos vein
Hemiazygos vein
The hemiazygos vein is a vein running superiorly in the lower thoracic region, just to the left side of the vertebral column.... - hemiballismus
Hemiballismus
Hemiballismus is a very rare movement disorder. It is five hundred times rarer than Parkinson?s disease. Its effects can sometimes be severe enough to prevent patients from being able to perform daily functions.... - hemidiaphragm - hemiparesis
Hemiparesis
Hemiparesis is weakness on one side of the body. Contrast with Hemiplegia, which is total paralysis of the arm, leg, and trunk on the same side of the body.... - hemisphere
Cerebral hemisphere
A cerebral hemisphere is defined as one of the two regions of the brain that are delineated by the body's Anatomical_position#Median_and_sagittal_plane, .... - hemothorax
Hemothorax
A hemothorax is a condition that results from blood accumulating in the pleural cavity.... - hepatic - hepatic artery
Hepatic artery
Hepatic artery can refer to:* Common hepatic artery * Hepatic artery proper ... - hepatic flexure
Hepatic flexure
Hepatic flexure is the sharp bend between the Ascending colon and the Transverse colon Colon . The right colic flexure is adjacent to the liver, and is therefore also known as the hepatic flexure.... - hepatic portal vein - hepatic veins - hepatoduodenal ligament
Hepatoduodenal ligament
The hepatoduodenal ligament is the portion of the lesser omentum extending between the porta hepatis of the liver and the first part of the duodenum.... - hepatopancreatic ampulla
Hepatopancreatic ampulla
The 'ampulla of Vater', also known as the , is formed by the union of the pancreatic duct and the common bile duct. The ampulla is specifically located at the major duodenal papilla.... hepatopancreatic sphincter - hernia
Hernia
A hernia is a wiktionary:protrusion of a Biological tissue, structure, or part of an organ through the muscle tissue or the biological membrane by which it is normally contained.... - herniated disk - hiatus
Hiatus (anatomy)
In anatomy, a hiatus is a a natural fissure in a structure.Examples include:* Esophageal hiatus, the opening in the diaphragm through which the esophagus passes from the thorax into the abdomen... - hiatus semilunaris
Hiatus semilunaris
The hiatus semilunaris is a halfmoon-shaped groove in the lateral wall of the nasal cavity. It is bounded inferiorly and anteriorly by the sharp concave margin of the uncinate process of the ethmoid bone, superiorly by the ethmoidal bulla, and posteriorly by the ethmoidal process of the inferior nasal concha.... - hilar vessels - Hilton's law
Hilton's law
Hilton's law is the observation that in the study of anatomy, one often finds that a nerve that innervates a joint also tends to innervate the muscles that move the joint and the skin that covers the distal attachments of those muscles.... - hilum
Hilum
A hilum is a depression or pit where structures are attached.* In human anatomy, the hilum is part of an Organ where structures such as blood vessels and nerves enter.... - hindbrain - hip bone
Hip bone
The hip bone, innominate bone or coxal bone is a large, flattened, irregularly shaped bone, constricted in the center and expanded above and below.... - hippocampal formation - hippocampal pyramidal cell - hippocampal sulcus
Hippocampal sulcus
The hippocampal sulcus, also known as the hippocampal fissure, is a sulcus that separates the dentate gyrus from the subiculum and the CA1 field in the hippocampus.... - hippocampus
Hippocampus
The hippocampus is a brain structure located inside the medial temporal lobe of the cerebral cortex, and therefore is part of the telencephalon .... - histology
Histology
Histology is the study of the anatomy of cell and tissue of plants and animals. It is performed by examining a thin slice of tissue under a light microscope or electron microscope.... - history of anatomy
History of anatomy
The history of anatomy as a science extends from the earliest examinations of sacrifice victims to the sophisticated analyses of the body performed by modern scientists.... - Hoffman's reflex - homologous
Homology (biology)
In evolutionary biology, homology refers to any similarity between characteristics that is due to their common descent. The word homologous derives from the ancient Greek ??????e??, 'to agree'.... - hormone
Hormone
Hormones are chemicals released by cells that affect cells in other parts of the body. Only a small amount of hormone is required to alter cell metabolism.... - horn
Horn (anatomy)
A horn is a pointed projection of the skin on the head of various mammals, consisting of a covering of horn surrounding a core of living bone.... - human anatomical parts named after people - human anatomy
Human anatomy
Human anatomy, which, with physiology and biochemistry, is a complementary basic medical science is primarily the scientific study of the morphology of the adult human body.... - human body
Human body
The human body is the entire physical and mental structure of a human organism, and consists of a head, neck, torso, two arms and two legs.By the time the human reaches adulthood, the body consists of close to 10 trillion Cell , the basic unit of life.... - human skeleton
Human skeleton
The human skeleton consists of both fused and individual bones supported and supplemented by ligaments, tendons, muscles and cartilage. It serves as a scaffold which supports organs, anchors muscles, and protects organs such as the human brain, lungs and heart.... - humerus
Humerus
The humerus is a long bone in the arm or forelimb that runs from the shoulder to the elbow.Anatomically, it connects the scapula and the ulna, and consists of the following three sections:... - humours
Four humours
Erich Adickes, Eduard Spranger, Ernst Kretschmer, and Erich Fromm all theorized on the four temperaments and greatly shaped our modern theories of temperament.... - hunchback
Kyphosis
Kyphosis also called "hunch back" or "hunchbackism" or "hunchbackedness", in general terms, is a common condition of a curvature of the upper spine .... - hyaline cartilage
Hyaline cartilage
Hyaline cartilage consists of a slimy mass of a firm consistency, but of considerable elasticity and pearly bluish color. It contains no nerves or blood vessels, and its structure is relatively simple.... - hymen
Hymen
The hymen is a fold of mucous membrane which surrounds or partially covers the external vaginal opening. It forms part of the vulva, or external genitalia.... - hyoglossus muscle - hyoid bone
Hyoid bone
The hyoid bone is a horseshoe shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage. At rest, it lies at the level of the base of the mandible in the front and the third cervical vertebra behind.... - hypaxial muscles
Hypaxial muscles
Hypaxial muscles are the lower pair of skeletal muscles divided by horizontal connective tissue called the septum. This muscle, present in some creatures, is striated and covers most of a creature's abdominal area, and aids in locomotion.... - hypogastric artery - hypogastric nerve
Hypogastric nerve
The hypogastric nerve is a term for the transition between the superior hypogastric plexus and the inferior hypogastric plexus.... - hypoglossal canal
Hypoglossal canal
The hypoglossal canal is a bony canal in the occipital bone of the skull.... - hypoglossal nerve
Hypoglossal nerve
The hypoglossal nerve is the twelfth cranial nerve , leading to the tongue. The nerve arises from the hypoglossal nucleus and emerges from the medulla oblongata in the preolivary sulcus separating the olive and the pyramid.... - hypoglossal nucleus
Hypoglossal nucleus
The hypoglossal nucleus is a cranial nerve nucleus, and it extends the length of the medulla, and being a motor nucleus, is close to the midline.... - hypoglossal trigone
Hypoglossal trigone
In the upper part of the medulla oblongata, the hypoglossal nucleus approaches the rhomboid fossa, where it lies close to the middle line, under an eminence named the hypoglossal trigone.... - hypopharynx
Hypopharynx
In human anatomy, the hypopharynx is the bottom part of the pharynx, and is the part of the throat that connects to the esophagus.The superior boundary of the hypopharynx is at the level of the hyoid bone.... - hypophyseal artery - hypophyseal fossa - hypophyseal portal system
Hypophyseal portal system
The hypophyseal portal system is the system of blood vessels that links the hypothalamus and the anterior pituitary in the brain.It allows endocrine system communication between the two structures.... - hypophysis
Groove in lateral wall of third ventricle, marking the boundary between the thalamus and hypothalamus. The upper and lower portions of the lateral wall of the third ventricle correspond to the alar lamina and basal lamina respectively of the lateral wall of the fore-brain vesicle and are separated from each other by a furrow, the hypothalamic su... - hypothalamohypophyseal portal system - hypothalamohypophyseal tract - hypothalamoreticular tract - hypothalamospinal tract - hypothalamotegmental tract
Hypothalamotegmental tract
The hypothalamotegmental tract is a pathway from the hypothalamus to the reticular formation. Axons from the posterior hypothalamus descend through the mesencephalic and pontine reticular formation.... - hypothalamus
Hypothalamus
The hypothalamus is a portion of the brain that contains a number of small nuclei with a variety of functions. One of the most important functions of the hypothalamus is to link the nervous system to the endocrine system via the pituitary gland .... - hypothalmotegmental axon - hypothenar muscles -
In anatomy, the ileal vessels are the artery and veins which supply or drain the ileum, the final section of the small intestine.These are:*Unnamed branches of the superior mesenteric artery#Branches ... - ileocecal valve
Ileocecal valve
The ileocecal valve is a sphincter muscle situated at the junction of the small intestine and the large intestine. Its critical function is to limit the reflux of colonic contents into the ileum.... - ileocolic artery
Ileocolic artery
The Ileocolic Artery is the lowest branch arising from the concavity of the superior mesenteric artery.It passes downward and to the right behind the peritoneum toward the right iliac fossa, where it divides into a superior and an inferior branch; the inferior anastomoses with the end of the superior mesenteric artery, the superior with the... - ileum
Ileum
The ileum is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divisions of the small intestine are not as clear and the terms posterior intestine or distal intestine may be used instead of ileum.... - iliac crest
Iliac crest
The crest of the Ilium is the superior border of the wing of ilium and the superolateral margin of the greater pelvis. Palpation in its entire length, it is convex in its general outline but is sinuously curved, being concave inward in front, concave outward behind.... - iliac lymph nodes
The Iliacus is a flat, triangular muscle, which fills the iliac fossa.It arises from the upper two-thirds of this fossa, and from the inner lip of the iliac crest; behind, from the anterior sacroiliac and the iliolumbar ligaments, and base of the sacrum; in front, it reaches as far as the anterior superior iliac spine and anterior inferior... - iliolumbar artery
Iliolumbar artery
The iliolumbar artery is a branch of the posterior trunk of the internal iliac artery.... - iliopsoas muscle - iliotibial band - ilium
Ilium (bone)
The ilium is the uppermost and largest bone of the pelvis, and appears in most vertebrates including mammals and birds, but not bony fish. All reptiles have an ilium except snakes, although some snake species have a tiny bone which is considered to be an ilium.... - immune system
Immune system
An immune system is a collection of biological processes within an organism that protects against disease by identifying and killing pathogens and tumour cells.... - impar ligament - incisive canal - incisive fossa - incisor
Incisor
Incisors are the first kind of tooth in heterodont mammals. They are located in the premaxilla above and mandible below.... - incisura
Incisura
An incisura is latin for notch , and may refer to:* Angular incisure* Suprascapular notchReferences... - incus
Incus
The incus or anvil is the anvil-shaped small bone or ossicles in themiddle ear. It connects the malleus to the stapes. It was first described by Alessandro Achillin of Bologna.... - index finger
Index finger
The index finger, also referred to as, pointer finger, forefinger, trigger finger, digitus secundus, or digitus II, is the second finger of a human hand.... - indusium griseum - infarction
Infarction
In medicine, an infarction results in the death of a macroscopic area of tissue in an organ due to loss of adequate blood supply. This dead tissue is then known as necrosis.... - inferior alveolar artery
The inferior alveolar nerve is a branch of the mandibular nerve, which is itself the third branch of the trigeminal nerve .... - inferior cerebellar peduncle
Inferior cerebellar peduncle
The upper part of the posterior district of the medulla oblongata is occupied by the inferior peduncle, a thick rope-like strand situated between the lower part of the fourth ventricle and the roots of the glossopharyngeal and vagus nerves.... - inferior cervical sympathetic ganglion - inferior colliculus
The inferior frontal gyrus is a gyrus of the frontal lobe of the human brain. Its superior border is the inferior frontal sulcus, its inferior border the lateral sulcus, and its posterior border is the precentral sulcus.... - inferior gluteal artery
Inferior gluteal artery
The inferior gluteal artery , the larger of the two terminal branches of the anterior trunk of the internal iliac artery, is distributed chiefly to the buttock and back of the thigh.... - inferior horn
Inferior horn
Inferior horn can refer to:* Inferior horn of thyroid cartilage* Inferior horn of lateral ventricle... - inferior meatus
Inferior meatus
The inferior meatus, the largest of the three meatuses of the nose, is the space between the inferior concha and the floor of the nasal cavity.... - inferior mesenteric artery
Inferior mesenteric artery
In human anatomy, the inferior mesenteric artery, often abbreviated as IMA, supplies the large intestine from the Colic flexure to the upper part of the rectum, which includes the descending colon, the sigmoid colon, and part of the rectum.... - inferior mesenteric vein
Inferior mesenteric vein
In human anatomy, the inferior mesenteric vein is a blood vessel that drains blood from the large intestine. It usually terminates when reaching the splenic vein, which goes on to form the portal vein with the superior mesenteric vein .... - inferior nasal concha - inferior oblique muscle
Inferior oblique muscle
The Obliquus oculi inferior is a thin, narrow muscle, placed near the anterior margin of the floor of the orbit .... - inferior olivary nucleus
Inferior olivary nucleus
The inferior olivary nucleus is the largest nucleus situated in the olivary body, part of the medulla oblongata.... - inferior orbital fissure
Inferior orbital fissure
The lateral wall and the floor of the Orbit are separated posteriorly by the inferior orbital fissure which transmits the maxillary nerve and its zygomatic branch, and the ascending branches from the sphenopalatine ganglion.... - inferior petrosal sinus
Inferior petrosal sinus
The inferior petrosal sinus, within the human head, is an area beneath the brain, which allows blood veins to span the area, from the center of the head downward.... - inferior pharyngeal constrictor muscle
Inferior pharyngeal constrictor muscle
The Inferior pharyngeal constrictor, the thickest of the three constrictors, arises from the sides of the cricoid and thyroid cartilage. Similarly to the superior and middle pharyngeal constrictor muscles, it is innervated by the vagus nerve , specifically, by branches from the pharyngeal plexus and by neuronal branches from the recurrent lar... - inferior pubic ramus
Inferior pubic ramus
The inferior pubic ramus is thin and flattened. It passes lateralward and downward from the medial end of the superior ramus; it becomes narrower as it descends and joins with the inferior ramus of the ischium below the obturator foramen.... - inferior rectus muscle
The inferior sagittal sinus , within the human head, is an area beneath the brain, which allows blood veins to span the area, from the center of the head towards the back.... - inferior salivatory nucleus
Inferior salivatory nucleus
In the brain, the inferior salivatory nucleus is a cluster of neurons controlling the parasympathetic nervous system input to the parotid gland.... - inferior temporal gyrus
Inferior temporal gyrus
The inferior temporal gyrus is placed below the middle temporal sulcus, and is connected behind with the inferior occipital gyrus; it also extends around the infero-lateral border on to the inferior surface of the temporal lobe, where it is limited by the inferior sulcus.... - inferior thyroid artery
Inferior thyroid artery
The inferior thyroid artery passes upward, in front of the vertebral artery and Longus colli; then turns medialward behind the carotid sheath and its contents, and also behind the sympathetic trunk, the middle cervical ganglion resting upon the vessel.... - inferior thyroid vein - inferior vena cava
Inferior vena cava
The inferior vena cava is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart.... - inferior vestibular nucleus
Inferior vestibular nucleus
The inferior vestibular nucleus is the vestibular nuclei which lies near the fourth ventricle.... - infraglottic cavity
Infraglottic cavity
The infraglottic cavity is the portion of the larynx below the ventricles of the larynx and rima glottidis.External links ... - infrahyoid strap muscles
Infrahyoid
The infrahyoid muscles are a group of four pairs of muscles in the anterior part of the neck. Collectively, they are referred to as the strap muscles, because the muscles are long and flat much like a strap.... - infraorbital canal
Infraorbital canal
One of the Canal s of the orbital surface of the maxilla, the infraorbital canal, opens just below the margin of the orbit .... - infraorbital foramen
Infraorbital foramen
Above the canine fossa is the infraorbital foramen, the end of the infraorbital canal; it transmits the infraorbital artery, vein, and infraorbital nerve.... - infraorbital groove
Infraorbital groove
Near the middle of the posterior part of the orbital surface of the maxilla is the infraorbital groove , for the passage of the infraorbital vessels and nerve.... - infraorbital nerve
Infraorbital nerve
After the maxillary nerve enters the infraorbital canal, the nerve is frequently called the infraorbital nerve. This nerve innervates the lower eyelid, upper lip, and part of the vestibule and exits the infraorbital foramen of the maxilla.... - infraspinatus muscle
Infraspinatus muscle
The Infraspinatus muscle is a thick triangular muscle, which occupies the chief part of the infraspinatous fossa.... - infratemporal fossa
Infratemporal fossa
The infratemporal fossa is an irregularly shaped cavity, situated below and medial to the zygomatic arch.... - infratentorial - infundibular nucleus - infundibulum
Infundibulum
An infundibulum is a funnel-shape cavity or organ .* Lungs: The alveoli sacs of the lungs from which the air chambers open are called infundibula.... - inguinal - inguinal canal
Inguinal canal
The inguinal canal is a passage in the anterior abdominal wall which in men conveys the spermatic cord and in women the Round ligament of uterus.... - inguinal ligament
Inguinal ligament
The inguinal ligament is a band running from the pubic tubercle to the anterior superior iliac spine. Its anatomy is very important for operating on hernia patients.... - inguinal lymph nodes - inguinal rings
Inguinal rings
Inguinal ring can refer to:* Superficial inguinal ring* Deep inguinal ring... - inguinal triangle
Inguinal triangle
In human anatomy, the inguinal triangle is a region of the abdominal wall. It is also known by the eponym Hesselbach's triangle, after Franz Kaspar Hesselbach.... - inion - inner table of skull - innervate - innominate
Innominate
Innominate can refer to:*The brachiocephalic artery*The brachiocephalic veins*The two large bones which form the hip bone*An innominate contract, a contract not of a type regulated by law.... - insula
Insula
Insula may refer to:* Insular cortex, a human brain structure* The singular of insulae, Roman apartments for the low and middle classes* ?nsula Barataria, the governorship assigned to Sancho Panza as a prank in the novel Don Quixote... - integument - integumentary system
Integumentary system
The integumentary system is the organ system that protects the body from damage, comprising the skin and its appendages. The integumentary system has a variety of functions; it may serve to waterproof, cushion and protect the deeper tissues, excrete wastes, regulate temperature and is the location of receptors for pain, sensation, pressu... - interatrial septum
Interatrial septum
The interatrial septum is the wall of tissue that separates the right atrium and left atrium of the heart.... - intercalated disc
Intercalated disc
An intercalated disc is an undulating double membrane separating adjacent cells in cardiac muscle fibers. Intercalated discs support synchronized contraction of cardiac tissue.... - intercondylar eminences - intercostal muscles - interdigitation - interhemispheric fissure - intermediate horn cell - intermediolateral cell column - intermediolateral nucleus
Intermediolateral nucleus
The intermediolateral nucleus is a region of gray matter found in Rexed laminae VII of the spinal column.Rexed Lamina VII contains several well defined nuclei including the nucleus dorsalis , the intermediolateral cell column , and the sacral autonomic nucleus.... - internal acoustic meatus - internal arcuate fiber - internal capsule
Internal capsule
The internal capsule is an area of white matter in the brain that separates the caudate nucleus and the thalamus from the lenticular nucleus. The internal capsule contains both ascending and descending axons.... - internal carotid artery
Internal carotid artery
In human anatomy, the internal carotid artery is a major artery of the head and neck that helps supply blood to the brain.... - internal cerebral vein - internal ear - internal iliac artery
Internal iliac artery
The internal iliac artery is the main artery of the pelvis.... - internal iliac vein
Internal iliac vein
The internal iliac vein begins near the upper part of the greater sciatic foramen, passes upward behind and slightly medial to the hypogastric artery and, at the brim of the pelvis, joins with the external iliac to form the common iliac vein.... - internal jugular vein
Internal jugular vein
The two internal jugular veins collect the blood from the brain, the superficial parts of the face, and the neck.... - internal laryngeal nerve
Internal laryngeal nerve
The internal laryngeal nerve is the internal branch of the superior laryngeal nerve. It descends to the hyothyroid membrane, pierces it in company with the superior laryngeal artery, and is distributed to the mucous membrane of the larynx.... - internal medullary lamina - internal oblique muscle - internal thoracic artery
Internal thoracic artery
In human anatomy, the internal thoracic artery , previously known as the internal mammary artery , is an artery that supplies the anterior chest wall and the breasts.... - internal thoracic veins - interneuron
Interneuron
An interneuron is a multipolar neuron which connects afferent neurons and efferent neurons in neural pathways. Like motor neurons, interneuron cell body are always located in the central nervous system .... - internuncial - interosseus membrane - interpeduncular cistern
Interpeduncular cistern
The interpeduncular cistern is a wide cavity where the arachnoid extends across between the two temporal lobes.It encloses the cerebral peduncles and the structures contained in the interpeduncular fossa, and contains the arterial circle of Willis.... - interpeduncular fossa
Interpeduncular fossa
The Interpeduncular fossa is a somewhat lozenge-shaped area of the base of the brain, limited in front by the optic chiasma, behind by the antero-superior surface of the pons, antero-laterally by the converging optic tracts, and postero-laterally by the diverging cerebral peduncles.... - interstitial
Interstitial
Interstitial may refer to:* Interstitial program, short television programming which is often shown between movies or other events* Interstitial defect, a crystallographic defect that may be occupied by another atom... - interthalamic adhesion
Interthalamic adhesion
The medial surface of the thalamus constitutes the upper part of the lateral wall of the third ventricle, and is connected to the corresponding surface of the opposite thalamus by a flattened gray band, the Interthalamic adhesion .... - intertrochanteric line
Intertrochanteric line
The intertrochanteric line is a line located on the anterior side of the head of femur of the femur.The rough, variable ridge stretches between the lesser trochanter and the greater trochanter forming the base of the neck of femur, roughly following the direction of the shaft of femur.... - interventricular foramen of Monro - interventricular septum
Interventricular septum
Interventricular septum , abbreviated IVS, is the stout wall separating the lower chambers of the heart from one another.The ventricular septum is directed obliquely backward and to the right, and is curved with the convexity toward the right ventricle: its margins correspond with the anterior and posterior longitudinal sulci.... - intervertebral disc
Intervertebral disc
Intervertebral discs lie between adjacent vertebra in the vertebral column. Each disc forms a cartilaginous joint to allow slight movement of the vertebrae, and acts as a ligament to hold the vertebrae together.... - intestine
Intestine
In anatomy, the intestine is the segment of the Gastrointestinal tract extending from the stomach to the anus and, in humans and other mammals, consists of two segments, the small intestine and the large intestine.... - intrafusal - intrafusal muscle fibers - intralaminar thalamic nuclei - intramedullary
Intramedullary
Intramedullary is a medical term meaning the inside of a bone. Examples include intramedullary rods used to treat bone fractures in orthopedic surgery and intramedullary tumors occurring in some forms of cancer.... - intrathalamic adhesion - intravenous - intrinsic muscles of the tongue - introitus
Introitus
The introitus is an entrance that goes into a canal or hollow organ . Introitus is another name for the vaginal orifice.Introitus has also been used for classifying uterine prolapse:... - ipsilateral - iris
Iris (anatomy)
The iris is a membrane in the eye, responsible for controlling the amount of light reaching the retina. The iris consists of pigmented fibrovascular tissue known as a stroma of iris.... - iris dilator muscle
Iris dilator muscle
The Iris dilator muscle , is a smooth muscle of the eye, running radially in the iris and therefore fit as a dilator. It is innervated by the sympathetic system, which acts by releasing noradrenaline, which acts on a1-receptors..... - iris sphincter muscle
Iris sphincter muscle
The Iris sphincter muscle is a muscle in the part of the eye called the iris. It encircles the eye, appropriate to its function as a constrictor.... - ischemia
Ischemia
In medicine, ischemia is a restriction in blood supply, generally due to factors in the blood vessels, with resultant damage or dysfunction of tissue.... - ischial spine
Ischial spine
From the posterior border of the body of the Ischium there extends backward a thin and pointed triangular eminence, the ischial spine, more or less elongated in different subjects.... - ischial tuberosity - ischiorectal fossa
Ischiorectal fossa
The ischioanal fossa is somewhat prismatic in shape, with its base directed to the surface of the perineum, and its apex at the line of meeting of the obturator and anal fasciae.... - ischium - Islets of Langerhans
Islets of Langerhans
The islets of Langerhans are the regions of the pancreas that contain its endocrine cells. Discovered in 1869 by German pathological anatomist Paul Langerhans, the islets of Langerhans constitute approximately 1 to 2% of the mass of the pancreas.... - isthmus -
Jacksonian seizure is associated with a form of epilepsy. They involve a progression of the location of the seizure in the brain, which leads to a "march" of the motor presentation of symptoms.... - jaw
Jaw
The jaw is either of the two opposable structures forming, or near the entrance to the mouth.The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it and is part of the body plan of most animals.... - jejunum
Jejunum
The jejunum is the middle section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds. In fish, the divisions of the small intestine are not as clear and the terms middle intestine or mid-gut may be used instead of jejunum.... - joint
Joint
A joint is the location at which two or more bones make contact. They are constructed to allow movement and provide mechanical support, and are classified structurally and functionally.... - joint capsule
Joint capsule
An articular capsule is an envelope surrounding a synovial joint.... - joint space - jugular - jugular foramen
Jugular foramen
The jugular foramen, a large aperture in the base of the skull. It is located behind the carotid canal and is formed in front by the petrous portion of the temporal, and behind by the occipital; it is generally larger on the right than on the left side... - jugular notch - jugum - juxtaglomerular apparatus
Juxtaglomerular apparatus
The juxtaglomerular apparatus is a microscopic structure in the kidney, which regulates the function of each nephron. The juxtaglomerular apparatus is named for its proximity to the glomerulus: it is found between the vascular pole of the renal corpuscle and the returning distal convoluted tubule of the same nephron.... -
A keel in bird anatomy is an extension of the sternum which runs axially along the midline of the sternum and extends outward, perpendicular to the plane of the ribs.... - keloid
Keloid
A keloid is a type of hypertrophic scar with mainly type I and some type III collagen which results in an overgrowth of tissue at the site of a healed skin injury.... - keratin
Keratin
Keratins are a family of fibrous protein; tough and insoluble, they form the hard but mineral structures found in reptiles, birds, amphibians and mammals.... - kidney
Kidney
The kidneys are Organ that have numerous biological roles. Their primary role is to maintain the homeostasis balance of bodily fluids by filtering and secreting Metabolomics#Metabolitess and minerals from the blood and excreting them, along with water , as urine.... - kinesthesia - kinocilium
Kinocilium
A kinocilium is a special structure on the apex of hair cells located in the sensory epithelium of the vertebrate inner ear.... - knee
Knee
----The knee is the lower extremity joint connecting the femur, patella, and the tibia and the surrounding anatomical region which includes the popliteal fossa, also known as "knee pit".... - knee jerk reflex - kneecap
Patella
The patella, also known as the knee cap or kneepan, is a thick, triangular bone which articulates with the femur and covers and protects the knee joint.... - knuckle
Metacarpophalangeal joint
The metacarpophalangeal joints are of the condyloid kind, formed by the reception of the rounded heads of the metacarpal bones into shallow cavities on the proximal ends of the first phalanges, with the exception of that of the thumb, which presents more of the characters of a ginglymoid joint.... - koniocortex - kyphosis
Kyphosis
Kyphosis also called "hunch back" or "hunchbackism" or "hunchbackedness", in general terms, is a common condition of a curvature of the upper spine .... -
The vulva refers to the external sex organ of the female. In colloquial speech, the term vagina is often used to refer to the female genitals generally, although, strictly speaking, the vagina is a specific internal structure, whereas the vulva is the whole exterior genitalia.... - labia minora
Vulva
The vulva refers to the external sex organ of the female. In colloquial speech, the term vagina is often used to refer to the female genitals generally, although, strictly speaking, the vagina is a specific internal structure, whereas the vulva is the whole exterior genitalia.... - labium - labrum
Labrum
Labrum can refer to:* In architecture, the large vessel of a warm bath in the Ancient Rome thermae. These were cut out of great blocks of marble and granite, and have generally an overhanging lip.... - labyrinth
Labyrinth (inner ear)
The labyrinth is a system of fluid passages in the inner ear, including both the cochlea which is part of the auditory system, and the vestibular system which provides the sense of balance.... - lacrimal bone
Lacrimal bone
The lacrimal bone, the smallest and most fragile bone of the face, is situated at the front part of the medial wall of the Orbit . It has two surfaces and four borders.... - lacrimal canaliculus - lacrimal fossa
Lacrimal fossa
The inferior surface of each orbital plate of the frontal bone is smooth and concave, and presents, laterally, under cover of the zygomatic process, a shallow depression, the lacrimal fossa , for the lacrimal gland.... - lacrimal gland
Lacrimal gland
The lacrimal glands are paired almond-shaped glands, one for each eye, that secrete the aqueous layer of the tears film. They are situated in the upper, outer portion of each Orbit .... - lacrimal nerve
Lacrimal nerve
The lacrimal nerve is the smallest of the three branches of the ophthalmic nerve.It sometimes receives a filament from the trochlear nerve, but this is possibly derived from the branch which goes from the ophthalmic to the trochlear nerve.... - lacrimal papilla
Lacrimal papilla
At the basal angles of the lacus lacrimalis, on the margin of each eyelid, is a small conical elevation, the lacrimal papilla, the apex of which is pierced by a small orifice, the punctum lacrimale, the commencement of the lacrimal duct.... - lacrimal punctum
Lacrimal punctum
The lacrimal canaliculi, one in each eyelid, commence at minute orifices, termed puncta lacrimalia , on the summits of the papillae lacrimales, seen on the margins of the lids at the lateral extremity of the lacus lacrimalis.... - lacrimal sac
Lacrimal sac
The lacrimal sac is the upper dilated end of the nasolacrimal duct, and is lodged in a deep groove formed by the lacrimal bone and frontal process of the maxilla.... - lactation
Lactation
Lactation describes the secretion of milk from the mammary glands, the process of providing that milk to the young, and the period of time that a mother lactates to feed her young.... - lacteal
Lacteal
A lacteal is a lymphatic that absorbs dietary fats in the villi of the small intestine.The combination of fat and lymph in the lacteals is milky in appearance and called chyle.... - lactiferous duct
Lactiferous duct
Lactiferous ducts lead from the lobules of the mammary gland to the tip of the nipple. They are also referred to as galactophores, galactophorous ducts, mammary ducts, mamillary ducts and milk ducts.... - lacuna
Lacuna
Generally, a lacuna is a gap. The term may refer to:* Lacuna , a missing section of text* Lacuna , an extended silence in a piece of music* Lacuna , a lexical gap in a language... - lacunae laterales - lacus lacrimalis - lambdoid suture
Lambdoid suture
The lambdoid suture is a dense, fibrous connective tissue joint on the posterior aspect of the skull that connects the parietal bone and temporal bone bones with the occipital bone.... - lamella
Lamella
Lamella is a term for a platelike structure, appearing in multiples, that occurs in various situations, such as biology or materials sciences. It implies a thin layer , the same derivation as for `laminate'.... - lamina
Lamina (anatomy)
Lamina is a general anatomy term meaning "plate" or "layer." It is used in both gross anatomy and microscopic anatomy to describe structures.Some examples include:... - lamina papyracea - lamina terminalis
Lamina terminalis
The median portion of the wall of the fore-brain vesicle consists of a thin lamina, the lamina terminalis, which stretches from the interventricular foramen to the recess at the base of the optic stalk.... - laminectomy
Laminectomy
Laminectomy is a spine surgical procedure to remove the portion of the vertebrae called the lamina of the vertebral arch. There are many variations of laminectomy, in the most minimal form small skin incisions are made, back muscles are pushed aside rather than cut, and the parts of the vertebra adjacent to the lamina are left intact.... - language center
Language center
The language center is part of the human brain Cerebral cortex where most of language processing takes place. It does not refer to any single or specific part of the brain — mostly because no such physical "center" is currently known.... - lanugo
Lanugo
Lanugo is fine, downy hair; it is a type of pelage.... - large intestine
Large intestine
The large intestine is the last part of the digestive system?the final stage of the alimentary canal?in vertebrate animals. Its function is to absorb water from the remaining indigestible food matter, and then to pass this useless feces from the body.... - laryngeal inlet
Laryngeal inlet
The laryngeal inlet is the opening that connects the pharynx and the larynx.... - laryngopharynx - larynx
Larynx
The larynx , colloquially known as the voicebox, is an organ in the neck of mammals involved in protection of the vertebrate trachea and sound production.... - lateral aperture - lateral cervical muscle - lateral corticospinal tract
Lateral corticospinal tract
The lateral corticospinal tract is the largest part of the Corticospinal tract. It extends throughout the entire length of the medulla spinalis, and on transverse section appears as an oval area in front of the posterior column and medial to the posterior spinocerebellar tract.... - lateral cricoarytenoid muscle
Lateral cricoarytenoid muscle
The lateral cricoarytenoid muscles extend from the lateral cricoid cartilage to the ipsilateral arytenoid cartilage. By rotating the arytenoid cartilages medially, these muscles adduct the vocal cords and thereby close the rima glottidis, protecting the airway.... - lateral cuneate nucleus - lateral dorsal nucleus of thalamus - lateral fissure - lateral funiculus
Lateral funiculus
The most lateral of the bundles of the anterior nerve roots is generally taken as a dividing line that separates the antero-lateral region into two parts, viz., an anterior funiculus, between the anterior median fissure and the most lateral of the anterior nerve roots; and a lateral funiculus, between the exit of these roots and the postero-lateral... - lateral geniculate body or nucleus - lateral horn
Lateral horn
In the thoracic region, the postero-lateral part of the anterior column projects lateralward as a triangular field, which is named the lateral column .... - lateral hypothalamus
Lateral hypothalamus
The Lateral hypothalamus or lateral hypothalamic area is a part of the hypothalamus.It is concerned with hunger. Damage to this can cause reduced food intake.... - lateral lemniscus
Lateral lemniscus
The lateral lemniscus is a tract of axons in the brainstem that carries information about sound from the cochlear nucleus to various brainstem nuclei and ultimately the contralateral inferior colliculus of the midbrain.... - lateral olfactory stria - lateral posterior nucleus - lateral pterygoid muscle
Lateral pterygoid muscle
The lateral pterygoid is a muscle of mastication with two heads.... - lateral pterygoid plate
Lateral pterygoid plate
The lateral pterygoid plate of the sphenoid is broad, thin, and everted; its lateral surface forms part of the medial wall of the infratemporal fossa, and gives attachment to the Pterygoideus externus; its medial surface forms part of the pterygoid fossa, and gives attachment to the Pterygoideus internus.... - lateral recess
Lateral recess
The lateral recess is a projection of the fourth ventricle which extends into the inferior cerebellar peduncle of the brainstem.... (of the fourth ventricle) - lateral rectus muscle
Lateral rectus muscle
The lateral rectus muscle is a muscle in the orbit . It is one of six extraocular muscles that control the eye movements and the only muscle innervation by the abducens nerve, cranial nerve VI.... - lateral sclerosis - lateral semicircular canal - lateral spinothalamic tract
Lateral spinothalamic tract
The lateral spinothalamic tract is a bundle of sensory axons ascending through the white matter of the spinal cord, carrying sensory information to the brain.... - lateral striate arteries - lateral thalamic nucleus - lateral ventricle - lateral vertebral muscle - lateral vestibular nucleus
Lateral vestibular nucleus
The lateral vestibular nucleus is the continuation upward and lateralward of the principal nucleus, and in it terminate many of the ascending branches of the vestibular nerve.... - lateral vestibulospinal tract - latissimus dorsi - Laurer's canal
Laurer's canal
Laurer's canal is a part of the reproductive system of trematodes, analogous to the vagina. In the Digeneans it opens from the Dorsum surface of the worm, and in the Aspidogastreans ends in a blind ended sac.... - left atrium
Left atrium
StructureBlood is pumped through the left atrioventricular orifice, which contains the bicuspid or mitral valve. The normal size of the left atrium varies depending on gender and the size of the individual as determined by the body mass index.... - left colic artery
Left colic artery
The left colic artery runs to the left behind the peritoneum and in front of the psoas major muscle, and after a short, but variable, course divides into an ascending and a descending branch; the stem of the artery or its branches cross the left ureter and left internal spermatic arteries.... - left common carotid artery - left gastroepiploic artery - left mainstem bronchi - left marginal artery
Left marginal artery
The left marginal artery is a branch of the circumflex artery, originating at the posterior interventricular sulcus, traveling along the left margin of heart towards the apex of the heart.... - left pulmonary artery - left ventricle
Left ventricle
The left ventricle is one of four heart chamber in the human heart. It receives oxygenated blood from the left atrium via the mitral valve, and pumps it into the aorta via the aortic valve.... - leg - lemniscus
Lemniscus
A lemniscus can refer to:* In mathematics, a lemniscate* In anatomy, a part of the brain, such as the medial lemniscus or lateral lemniscus... - lens - lenticular nucleus - lenticulostriate artery - lentiform - lentiform nucleus
Lentiform nucleus
The lentiform nucleus or lenticular nucleus comprises the putamen and the globus pallidus within the basal ganglia. It is a large, cone-shaped mass of gray matter just lateral to the internal capsule.... - leptomeninx - lesser occipital nerve
Lesser occipital nerve
The lesser occipital nerve or small occipital nerve is a spinal nerve arising between the first and second cervical vertebrae, along with the greater occipital nerve.... - lesser omentum
Lesser omentum
The lesser omentum is the double layer of peritoneum that extends from the liver to the lesser curvature of the stomach and the start of the duodenum.... - lesser palatine foramen - lesser petrosal nerve
Lesser petrosal nerve
The lesser petrosal nerve consists of parasympathetic fibers. It leaves the tympanic plexus to synapse in the otic ganglion, and eventually provide parasympathetic innervation to the parotid gland.... - lesser wing of sphenoid - levator - levator labii superioris muscle - levator palpebrae muscle - levator palpebrae superioris - levator scapulae muscle
Levator scapulae muscle
The levator scapulae is situated at the back and side of the neck.... - levator velum palatini muscle - ligament
Ligament
Ligaments connect bone to bone. In anatomy, the term ligament is used to denote three different types of structures:# Fibrous Tissue that connects bones to other bones.... - ligament of Treitz - ligamentum arteriosum
Ligamentum arteriosum
The ligamentum arteriosum is a small ligament attached to the superior surface of the pulmonary trunk and the inferior surface of the aortic arch.... - ligamentum flavum - ligamentum teres - light reflex - limbic system
Limbic system
The limbic system is a set of brain structures including the hippocampus, amygdala, anterior thalamic nuclei, and limbic cortex, which support a variety of functions including emotion, behavior, long term memory, and olfactory.... - limen insulae
Limen insulae
The Limen insulae is the point at which the Insular cortex is continuous with the cortex of the Frontal lobe.... - line of Gennari - linea alba
Linea alba
The linea alba is a fibrous structure that runs down the midline of the abdomen in humans and other vertebrates. The name means white line and the linea alba is indeed white, being composed mostly of collagen connective tissue.... - linea aspera
Linea aspera
The linea aspera is a ridge of roughened surface on the posterior aspect of the femur, to which are attached muscles and intermuscular septa.... - lingua
Tongue
The tongue is skeletal muscle on the floor of the mouth that manipulates food for chewing . It is the primary organ of taste. Much of the upper surface of the tongue is covered in papillae and taste buds.... - lingual artery
Lingual artery
The lingual artery arises from the external carotid between the superior thyroid and facial artery.... - lingual nerve
Lingual nerve
The lingual nerve is a branch of the mandibular nerve , itself a branch of the trigeminal nerve,which supplies sensory innervation to the tongue.... - lingual tonsil - lingual vein - lingula
Lingula
Lingula is Latin for "little tongue". It can stand for:* Lingula a brachiopod genus of the family Lingulidae, which is among the few brachiopods surviving today but also known from fossils over 50 million years old.... - lip
Lip
Lips are a visible body part at the mouth of humans and many animals. Lips are soft, movable, and serve as the opening for food intake, as an erogenous organ used in kissing and other acts of intimacy, as a tactile sensory organ, and in the articulation of speech.... - lipofuscin
Lipofuscin
Lipofuscin is the name given to finely granular yellow brown pigment Granule composed of lipid-containing residues of lysosomal digestion. It is considered one of the aging or "wear and tear" pigments; found in the liver, kidney, heart muscle, adrenals, nerve cells, and ganglion cells.... - Lissauer's tract - lissencephalic - list of human anatomical features
List of human anatomical features
The major systems of the human body are:*Cardiovascular system: the blood circulation with heart, artery and veins*Digestive system: processing food with mouth, esophagus, stomach and intestines.... - Little's area - liver
Liver
The liver is a vital organ present in vertebrates and some other animals; it has a wide range of functions, a few of which are detoxification, protein synthesis, and production of biochemicals necessary for digestion.... - lobule - locus coeruleus - loin
Loin
The loins are the sides between the lower ribs and pelvis, and the lower part of the back. It is often used when describing the anatomy of humans and quadrupeds .... - long bone
Long bone
The long bones are those that are longer than they are wide, and grow primarily by elongation of the diaphysis, with an epiphysis at the ends of the growing bone.... - long ciliary nerves
Long ciliary nerves
The long ciliary nerves, two or three in number, are given off from the nasociliary, as it crosses the optic nerve.They accompany the short ciliary nerves from the ciliary ganglion, pierce the posterior part of the sclera, and running forward between it and the choroid, are distributed to the Iris and cornea.... - longitudinal fissure - longus capitis muscle
Longus capitis muscle
The longus capitis , broad and thick above, narrow below, arises by four tendinous slips, from the anterior tubercles of the transverse processes of the third, fourth, fifth, and sixth cervical vertebr?, and ascends, converging toward its fellow of the opposite side, to be inserted into the inferior surface of the basilar part of the occipita... - longus capitus muscle - longus colli muscle
Longus colli muscle
The Longus colli muscle is a muscle of the human body.The Longus colli is situated on the anterior surface of the vertebral column, between the atlas and the third thoracic vertebra.... - love handles
Love handles
Love handles, in colloquial or slang speech, are a layer of adipose tissue that is deposited around a person's midsection, especially visible on the sides over the abdominal external oblique muscle.... - lower motor neuron
Lower motor neuron
Lower motor neurons are the motor neurons connecting the brainstem and spinal cord to muscle fibers, bringing the action potential from the upper motor neurons out to the muscles.... - lucidum - lumbar
Lumbar
In anatomy, lumbar is an adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum .... - lumbar artery - lumbar enlargement
Lumbar enlargement
The lumbar enlargement gives attachment to the nerves which supply the lower limbs.It commences about the level of the ninth thoracic vertebra, and reaches its maximum circumference, of about 33 mm., opposite the last thoracic vertebra, below which it tapers rapidly into the conus medullaris.... - lumbar spine - lumbar vertebrae
Lumbar vertebrae
The lumbar vertebrae are the largest segments of the movable part of the vertebral column, and are characterized by the absence of the foramen transversarium within the transverse process, and by the absence of facets on the sides of the body.... - lumbosacral enlargement - lumbosacral plexus
Lumbosacral plexus
The anterior divisions of the lumbar nerve, sacral nerve, and coccygeal nerves form the lumbosacral plexus, the first lumbar nerve being frequently joined by a branch from the twelfth thoracic.... - lumbrical
The lunate bone is a carpal bone in the human hand that may be distinguished by its deep concavity and crescentic outline. It is situated in the center of the proximal row of the carpus, or wrist, between the scaphoid and triangular bone.... - lung
Lung
The lung is the essential respiration organ in air-breathing animals, including most tetrapods, a few fish and a few snails. In mammals and the more complex life forms, the two lungs are located in the chest on either side of the heart.... - lymph
Lymph
Lymph is the fluid that is formed as the interstitial fluid. It enters the lymph vessels by filtration. The lymph then travels to at least one lymph node before emptying ultimately into the right or the left subclavian vein, where it mixes back with blood.... - lymph nodes - lymphatic system
Lymphatic system
The lymphatic system in vertebrates is a network of conduits that carry a clear fluid called lymph. It also includes the lymphoid tissue through which the lymph travels.... - lymphatic vessels -
Macroscopic is a word commonly used to describe physics objects that are measurement and observation by the naked eye. When applied to phenomena and abstract objects, it describes existence in the world as we perceive it.... - macula
Macula
The macula or macula lutea is an oval-shaped highly pigmented yellow spot near the center of the retina of the human eye. It has a diameter of around 5 mm and is often histologically defined as having two or more layers of ganglion cells.... - macular sparing - magnocellular nuclei - main pulmonary artery - major duodenal papilla
Major duodenal papilla
The common bile duct and the pancreatic duct together perforate the medial side of the second portion of the duodenum obliquely, some 7 to 10 cm below the pylorus, forming a structure called the major duodenal papilla.... - malleolus
Malleolus
Malleolus is the name for the bony prominence on each side of the ankle.... - malleus
Malleus
The malleus or hammer is a hammer-shaped small bone or ossicles of the middle ear which connects with the incus and is attached to the inner surface of the eardrum.... - Malpighian layer
Malpighian layer
The Malpighian layer of the skin is composed of both the stratum germinativum and stratum spinosum.... - mammae - mammary gland
Mammary gland
Mammary glands are the organ s that, in mammals, produce milk for the sustenance of the young. These exocrine glands are enlarged and modified sweat glands and give mammals their name.... - mammilla - mammillary bodies - mammillothalamic tract
Mammillothalamic tract
The mammillothalamic fasciculus arises from cells in both the medial and lateral nuclei of the mammillary body and by fibers that are directly continued from the fornix.... - mammogram - mandible
Mandible
The mandible or inferior maxillary bone forms the lower jaw and holds the lower tooth in place. It also refers to both the upper and lower sections of the beaks of birds.... - mandibular condyles - mandibular foramen
Mandibular foramen
The Mandibular foramen is an opening on the internal surface of the mandible for divisions of the mandibular blood vessels and nerve to pass.... - mandibular fossa
Mandibular fossa
In the temporal bone, the mandibular fossa is bounded, in front, by the articular tubercle; behind, by the tympanic part of the bone, which separates it from the external acoustic meatus; it is divided into two parts by a narrow slit, the petrotympanic fissure .... - mandibular nerve
Mandibular nerve
The mandibular nerve is the largest of the three branches of the trigeminal nerve.... - mandibular notch
Mandibular notch
The upper border of the ramus of mandible is thin, and is surmounted by two processes, the coronoid process in front and the condyloid process behind, separated by a deep concavity, the mandibular notch.... - manubrium
Manubrium
The manubrium or manubrium sterni is the broad, upper part of the sternum. With a quadrangular shape, wider superiorly and narrower inferiorly, it articulates with the clavicles and the first two ribs.... - massa intermedia - masseter muscle
Masseter muscle
In human anatomy, the masseter is one of the muscles of mastication.In the animal kingdom, it is particularly powerful in herbivores to facilitate chewing of plant matter.... - masseteric vessels - mastication
Mastication
Mastication or chewing is the process by which food is crushed and ground by teeth. It is the first step of digestion and it increases the surface area of foods to allow more efficient break down by enzymes.... - mastoid air cells - mastoid process
Mastoid process
The mastoid process is a conical prominence projecting from the undersurface of the mastoid portion of the temporal bone. It is located just behind the external acoustic meatus, and lateral to the styloid process .... - matrix
Matrix (biology)
In biology, matrix is the material between animal or plant cell , the material in which more specialized structures are embedded, and a specific part of the mitochondrion that is the site of oxidation of organic molecules.... - maxilla
Maxilla
The maxilla is a fusion of two bones along the palate fissure that form the upper jaw. This is similar to the mandible, which is also a fusion of two halves at the mental symphysis.... - maxillae - maxillary antrum - maxillary artery - maxillary nerve
Maxillary nerve
The maxillary nerve is one of the three branches of the Trigeminal nerve, the fifth cranial nerve. It comprises the principal functions of sensation from the maxillary, nasal cavity, sinus, the palate and subsequently that of the mid-face, and is intermediate, both in position and size, between the ophthalmic nerve and the mandibular nerve... - maxillary sinus
Maxillary sinus
The maxillary sinus is the largest of the paranasal sinuses, and is pyramidal in shape.... - meatus
Meatus
In anatomy, a meatus is a natural body opening or canal .Examples include:* the external acoustic meatus, the opening of the ear canal* The internal auditory meatus, a canal in the temporal bone of the skull... - meconium
Meconium
Meconium is the earliest Human feces of an infant. Unlike later feces, meconium is composed of materials ingested during the time the infant spends in the uterus: intestinal epithelial cells, lanugo, mucus, amniotic fluid, bile, and water.... - medial forebrain bundle
Medial forebrain bundle
The Medial forebrain bundle , is a complex bundle of axons coming from the basal olfactory regions, the periamygdaloid region, and the septal nuclei, and passing to the lateral hypothalamus, with some carrying on into the tegmentum.... - medial geniculate boby - medial geniculate nucleus or body - medial lemniscus
Medial lemniscus
The medial lemniscus, also known as Reil's band or Reil's ribbon, is a pathway in the brainstem that carries sensory information from the gracile nucleus and cuneate nucleus to the thalamus.... - medial longitudinal fasciculus
Medial longitudinal fasciculus
The medial longitudinal fasciculus is a pair of crossed fiber tracts , one on each side of the brainstem. These bundles of axons are situated near the midline of the brainstem and are composed of both ascending and descending fibers that arise from a number of sources and terminate in different areas.... - medial meniscus
Medial meniscus
The medial meniscus is a fibrocartilage semicircular band that spans the knee joint medially, located between the medial condyle of femur of the femur and the medial condyle of tibia of the tibia.... - medial olfactory stria - medial pterygoid plate
Medial pterygoid plate
The medial pterygoid plate of the sphenoid is narrower and longer than the lateral pterygoid plate; it curves lateralward at its lower extremity into a hook-like process, the pterygoid hamulus, around which the tendon of the Tensor veli palatini glides.... - medial rectus muscle
Medial rectus muscle
The medial rectus muscle is a muscle in the orbit .As with most of the muscles of the orbit, it is innervation by the inferior division of the oculomotor nerve .... - medial vestibular nucleus
Medial vestibular nucleus
The medial vestibular nucleus is one of the vestibular nuclei. It is located in the medulla oblongata.... - medial vestibulospinal tract - median aperture
Median aperture
The median aperture of the brain is an opening in the hollow nerve tube, connecting the fourth ventricle of the brain with the subarachnoid space.... - median eminence
Median eminence
The median eminence is part of the inferior boundary for the hypothalamus part of the human brain. A small swelling on the tuber cinereum posterior to the infundibulum - atop the pituitary stalk - the median eminence lies in the area roughly bounded on its posterolateral region by the cerebral peduncles, and on its anterolateral region... - median neuropathy - mediastinum
Mediastinum
The mediastinum is a non-delineated group of structures in the thorax , surrounded by loose connective tissue. It is the central compartment of the thoracic cavity.... - medilla oblongata - medulla oblongata
Medulla oblongata
The medulla oblongata is the lower portion of the brainstem. It deals with Autonomic nervous system functions, such as breathing and blood pressure.... - medullary cavity
Medullary cavity
The medullary cavity is the central cavity of bone shafts where red bone marrow and/or yellow bone marrow is stored . Located in the main shaft of a long bone , the medullary cavity has walls composed of spongy bone and is lined with a thin, vascular membrane .... - medullary velum - Meissner's corpuscle
Meissner's corpuscle
Meissner's corpuscles are a type of mechanoreceptor. They are a type of nerve endings in the skin that are responsible for sensitivity to light touch.... - membrane
Membrane
A membrane is a layer of material which serves as a selective barrier between two Phase and remains permeation to specific particles or group of particles or substances when exposed to the action of a Membrane potential.... - membraneous urethra - membranous labyrinth
Membranous labyrinth
The membranous labyrinth is lodged within the Labyrinth and has the same general form; it is, however, considerably smaller and is partly separated from the bony walls by a quantity of fluid, the perilymph.... - mengingioma - meninges
Meninges
The meninges is the system of Mesotheliums which envelops the central nervous system. The meninges consist of three layers: the dura mater, the arachnoid mater, and the pia mater.... - meningiomas - meniscus (anatomy)
Meniscus (anatomy)
In anatomy, a meniscus is a crescent-shaped fibrocartilage structure present in the knee, acromioclavicular joint, sternoclavicular joint, and temporomandibular joints that, in contrast to articular disks, only partly divides a joint cavity.... - mental foramen
Mental foramen
The mental foramen is one of two holes located on the anterior surface of the mandible. It permits passage of the mental nerve and vessels. The mental foramen descends slightly in edentulous individuals.... - mental nerve
Mental nerve
The mental nerve is a general somatic afferent nerve which provides sensation to the anterior aspects of the chin and lower lip as well as the buccal gingivae of the mandibular anterior teeth and the premolars.... - mentalis muscle - mentum
Mentum
The mentum refers to a projecting structure near the mouth of any of several animals:#In insects, the mentum is the distal part of the Insect mouthparts#Labium.... - mesencephalic reticular formation - mesencephalic trigeminal nucleus and tract - mesencephalon
Mesencephalon
In biological anatomy, the mesencephalon comprises the tectum , tegmentum, the ventricular mesocoelia , and the cerebral peduncles, as well as several nuclei and fasciculi.... - midbrain
Mesencephalon
In biological anatomy, the mesencephalon comprises the tectum , tegmentum, the ventricular mesocoelia , and the cerebral peduncles, as well as several nuclei and fasciculi.... - mesenchyme
Mesenchyme
Mesenchyme is a type of loose connective tissue, of mesodermal origin and located within the embryo mesoderm, consisting of a ground substance Matrix containing a loose aggregate of unspecialized cell which are capable of developing into connective tissue, bone, cartilage, the lymphatic system, and the circulatory system.... - mesentery
Mesentery
In anatomy, the mesentery is the double layer of peritoneum that suspends the jejunum and ileum from the posterior wall of the abdomen. Its meaning, however, is frequently extended to include double layers of peritoneum connecting various components of the abdominal cavity.... - mesoderm
Germ layer
A germ layer is a group of cell s, formed during animal embryogenesis. Germ layers are particularly pronounced in the vertebrates; however, all animals more complex than sea sponge produce two or three primary tissue layers .... - mesosalpinx
Mesosalpinx
The mesosalpinx is part of the lining of the abdominal cavity in higher vertebrates, specifically the portion of the broad ligament that stretches from the uterine tube to the level of the ovary.... - metacarpus
Metacarpus
The metacarpus is the intermediate part of the hand skeleton that is located between the phalanges distally and the carpus which forms the connection to the forearm.... - metaphysis
Metaphysis
The metaphysis is the portion of a long bone between the epiphysis and the diaphysis. The "growth plate", or "physis", or "epiphyseal plate", although it precedes the development of the ossified metaphysis, may also be referred to as the metaphysis.... - metastatic lesion - metatarsals - metatarsus
Metatarsus
The metatarsus consists of the five long bones of the foot, which are numbered from the Anatomical terms of location side ; each presents for examination a body and two extremities.... - metathalamus
Metathalamus
The metathalamus is a composite structure of the thalamus, consisting of the medial geniculate nucleus and the lateral geniculate nucleus.... - metencephalon
Metencephalon
The metencephalon is a Morphogenesis categorization of portions of the central nervous system. The metencephalon is composed of the pons and the cerebellum; contains a portion of the fourth ventricle; and the trigeminal nerve , abducens nerve , facial nerve , and a portion of the vestibulocochlear nerve .... - metopic - Meyer's loop - microglia
Microglia
Microglia are a type of glial cell that acts as the first and main form of active immune defense in the central nervous system . Microglia constitute 20% of the total glial cell population within the brain.... - micturition - midbrain - middle cerebellar peduncle - middle cerebral artery
Middle cerebral artery
The middle cerebral artery is one of the three major paired cerebral artery that supplies blood to the cerebrum. The MCA arises from the internal carotid and continues into the lateral sulcus where it then branches and projects to many parts of the lateral cerebral cortex.... - middle cervical sympathetic ganglion - middle colic artery
Middle colic artery
The middle colic artery is a branch of the superior mesenteric artery that mostly supplies the transverse colon. It arises just below the pancreas, and, passing downward and forward between the layers of the transverse mesocolon, divides into two branches: right and left.... - middle concha - middle cranial fossa
Middle cranial fossa
The middle fossa, deeper than the anterior cranial fossa, is narrow medially and widens laterally to the sides of the skull. It is separated from the posterior cranial fossa by the Clivus and the petrous crest.... - middle ear
Middle ear
The middle ear is the portion of the ear internal to the eardrum, and external to the oval window of the cochlea. The mammalian middle ear contains three ossicles, which couple vibration of the eardrum into waves in the fluid and membranes of the inner ear.... - middle ear bone complex - middle meatus
Middle meatus
The middle meatus is a nasal opening or canal situated between the middle and inferior conch?, and extends from the anterior to the posterior end of the latter.... - middle meningeal artery
Middle meningeal artery
The middle meningeal artery is typically the third branch of the first part of the maxillary artery; one of the two terminal branches of the external carotid artery.... - middle meningeal vein - middle pharyngeal constrictor muscle
Middle pharyngeal constrictor muscle
The middle pharyngeal constrictor is a fanshaped muscle, smaller than the Inferior pharyngeal constrictor muscle.... - middle sacral artery - middle superior alveolar artery - middle temporal gyrus
Middle temporal gyrus
Middle temporal gyrus is a gyrus in the brain on the Temporal lobe. It is located between the superior temporal gyrus and inferior temporal gyrus.... - midline nuclei - miosis
Miosis
Miosis is constriction of the pupil of the eye. This is a normal response to an increase in light but can also be associated with certain pathological conditions, microwave radiation exposure and certain drugs.... - mitral cell
Mitral cell
Mitral cells are neurons that are part of the olfactory system. They are located in the olfactory bulb in the mammal central nervous system. They receive information from the axons of olfactory receptor neurons, forming synapses in neuropils called glomerulus .... - modiolus
Modiolus
The Modiolus can refer to:* Modiolus * Modiolus * Modiolus , - a genus of mussels in the Mytilidae... - molar
Molar (tooth)
Molars are the rearmost and most complicated kind of tooth in most mammals. In many mammals they grind food; hence the Latin name mola, "millstone".... - molecular layer - monaminergic neurons - mononeuropathy multiplex - mons veneris - moro reflex
Moro reflex
The Moro reflex, also known as the Startle reaction, is one of the infantile reflexes.It may be observed in incomplete form in premature birth after the 28th week of gestation, and is usually present in complete form by week 34 .... - morphology
Morphology (biology)
The term morphology in biology refers to form, structure and configuration of an organism. This includes aspects of the outward appearance as well as the form and structure of the internal parts like bones and organs.... - morula
Morula
A morula is an embryo at an early stage of embryonic development, consisting of Cell in a solid ball contained within the zona pellucida.... - mossy fiber ending - motor aphasia - motor cortex
Motor cortex
Motor cortex is a term that describes regions of the cerebral cortex involved in the planning, control, and execution of voluntary motion functions.... - motor endplate - motor neuron
Motor neuron
In vertebrates, the term motor neuron classically applies to neurons located in the central nervous system that project their axons outside the CNS and directly or indirectly control muscles.... - motor unit
Motor unit
A motor unit is a single a-motor neuron and all of the corresponding muscle fiber it Innervate. When a motor unit is activated, all of its fibers contract.... - mouth
Mouth
The mouth, buccal cavity, or oral cavity is the first portion of the alimentary canal that receives food and begins digestion by mechanically breaking up the solid food particles into smaller pieces and mixing them with saliva.... - mucoperiosteum
Mucoperiosteum
Mucoperiosteum is a compound structure consisting of mucous membrane and of periosteum.It can be found in the palate.... - mucosa - mucous membranes - multifidus - muscle
MUSCLE
MUSCLE is public domain, multiple sequence alignment software for protein and nucleotide sequences.MUSCLE is integrated into UGENE bioinformatics tool as a plugin.... - muscle spindle
Muscle spindle
Muscle spindles are sensory receptors within the belly of a muscle, which primarily detect changes in the length of this muscle. They convey length information to the central nervous system via sensory neurons.... - muscles of the thorax - muscular atrophy - muscular system
Muscular system
The muscular system is the anatomical system of a species that allows it to move. The muscular system in vertebrates is controlled through the nervous system, although some muscles can be completely autonomous.... - muscular triangle - mydriasis
Mydriasis
Mydriasis is an excessive dilation of the pupil due to disease, Physical trauma, or the use of drugs. Normally, the pupil dilates in the dark and constriction in the light to improve vividity at night and to protect the retina from sunlight damage during the day.... - myelencephalon
Myelencephalon
The myelencephalon is a Morphogenesis categorization of a portion of the central nervous system. The myelencephalon is composed of the medulla oblongata; contains a portion of the fourth ventricle; as well as the glossopharyngeal nerve , vagus nerve , accessory nerve , hypoglossal nerve , and a portion of the vestibulocochlear nerve .... - myelin
Myelin
Myelin is an electrically-insulating dielectric material that forms a layer, the myelin sheath. Usually, myelin surrounds only the axon of a neuron.... - myelogram - myelomeningocele - myelopathy
Myelopathy
Myelopathy refers to pathology of the spinal cord. When due to trauma, it is known as spinal cord injury. When inflammatory, it is known as myelitis. Disease that is vascular in nature is known as vascular myelopathy.... - mylohyoid
Mylohyoid
Mylohyoid can refer to:* Mylohyoid muscle* Mylohyoid line* Mylohyoid nerve* Mylohyoid branch of inferior alveolar artery... - mylohyoid groove
Mylohyoid groove
The margin of the mandibular foramen is irregular; it presents in front a prominent ridge, surmounted by a sharp spine, the Lingula of mandible, which gives attachment to the sphenomandibular ligament; at its lower and back part is a notch from which the mylohyoid groove runs obliquely downward and forward, and lodges the mylohyoid vessels an... - mylohyoid line
Mylohyoid line
Extending upward and backward on either side from the lower part of the symphysis of the Mandible is the mylohyoid line, which is the origin of the mylohyoid muscle; the posterior part of this line, near the Alveolar ridge, gives attachment to a small part of the Constrictor pharyngis superior, and to the pterygomandibular raph?.... - mylohyoid muscle
Mylohyoid muscle
The mylohyoid muscle is a muscle running from the mandible to the hyoid bone, forming the floor of the oral cavity. These muscles are mesodermal in origin.... - mylohyoid nerve
Mylohyoid nerve
The mylohyoid nerve is a nerve that innervates the mylohyoid muscle and the anterior belly of the digastric muscle.... - myocardium - myology
Myology
Myology is the specialised study of muscle and muscle Tissue .... - myotome
Myotome
In vertebrate embryonic development, a myotome is a group of tissues formed from somites that develop into the body wall muscle.Each myotome divides into a Dorsum epaxial part and a ventral hypaxial part.... - myotonia
Myotonia
Myotonia is a symptom of a small handful of certain neuromuscular disorders characterized by the slow relaxation of the muscles after voluntary contraction or electrical stimulation.... - myotonic dystrophy
Myotonic dystrophy
Myotonic dystrophy is a Chronic , slowly progressing, highly variable inherited multisystemic disease that can manifest at any age from birth to old age.... -
The nape is the back of the neck. In many mammals, the nape is the site of the scruff, a loose, non-sensitive area of skin by which the mother can carry her young, holding the scruff between her teeth.... -
naris -
nasal bone
Nasal bone
The nasal bones are two small oblong bones, varying in size and form in different individuals; they are placed side by side at the middle and upper part of the face, and form, by their junction, "the bridge" of the nose.... -
nasal choanae -
nasal concha
Turbinate
In anatomy, a nasal concha is a long, narrow and curled bone shelf which protrudes into the breathing passage of the nose. Turbinate bone refers to any of the scrolled spongy bones of the Nasal Cavity in vertebrates.... -
nasal septum
Nasal septum
The nasal septum separates the left and right airways in the nose, dividing the two nostrils.It is Depression by the Depressor septi nasi muscle.... -
nasal turbinates
Turbinate
In anatomy, a nasal concha is a long, narrow and curled bone shelf which protrudes into the breathing passage of the nose. Turbinate bone refers to any of the scrolled spongy bones of the Nasal Cavity in vertebrates.... -
nasion
Nasion
The nasion is the intersection of the frontal bone and two nasal bones of the human skull. Its manifestation on the visible surface of the face is a distinctly depressed area directly between the eyes, just superior to the bridge of the nose.... -
nasociliary nerve
Nasociliary nerve
The nasociliary nerve is a branch of the ophthalmic nerve. It is intermediate in size between the two other main branches of the ophthalmic nerve, the frontal nerve and the lacrimal nerve, and is more deeply placed.... -
nasolacrimal canal
Nasolacrimal canal
The canal containing the nasolacrimal duct is called the nasolacrimal canal.It is formed by indentations in the inferior nasal conchae, maxilla and lacrimal bone.... -
nasolacrimal duct
Nasolacrimal duct
The nasolacrimal duct carries tears from the lacrimal sac into the nasal cavity. Excess tears flow through nasolacrimal duct which opens in the nose.... -
nasopalatine nerve
Nasopalatine nerve
One branch of the posterior superior nasal branches , longer and larger than the others, is named the nasopalatine nerve .It enters the nasal cavity through the sphenopalatine foramen, passes across the roof of the nasal cavity below the orifice of the sphenoidal sinus to reach the septum, and then runs obliquely downward and forward betwee... -
nasopharynx
Nasopharynx
The nasopharynx is the uppermost part of the pharynx. It extends from the base of the skull to the upper surface of the soft palate; it differs from the Mouth and larynx parts of the pharynx in that its cavity always remains patent .... -
natal
Childbirth
Childbirth is the culmination of a human pregnancy or gestation period with the delivery of one or more newborn infants from a woman's uterus. The process of normal human childbirth is categorized in three stages of labour: the shortening and dilation of the cervix, descent and delivery of the infant, and delivery of the placenta..... -
navicular -
neck
Neck
The neck is the part of the body on many limbed vertebrates that distinguishes the head from the torso or trunk. The scientific term signifying "of the neck" is nuchal.... -
neocerebellum -
neocortex
Neocortex
The neocortex is a part of the brain of mammals. It is the outer layer of the cerebral hemispheres, and made up of six layers, labelled I to VI .... -
neonatal
Infant
An infant or baby is the term used to refer to the young offspring of humans.... -
neopallium -
neospinothalamic axon -
neostriatum -
nephron
Nephron
Nephron is the basic structural and functional unit of the kidney. Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine.... -
nerve of the pterygoid canal -
nerve
Nerve
A nerve is an enclosed, cable-like bundle of Peripheral nervous system axons . A nerve provides a common pathway for the electrochemical nerve impulses that are transmitted along each of the axons.... -
nervi erigentes -
nervous system
Nervous system
The nervous system is a Neural network of specialized cells that communicate information about an animal's surroundings and itself. It processes this information and causes reactions in other parts of the body.... -
neural crest cell -
neural foramen -
neural groove
Neural groove
Between the neural folds is a shallow median groove, the neural groove. The groove gradually deepens as the neural folds become elevated, and ultimately the folds meet and coalesce in the middle line and convert the groove into a closed tube, the neural tube or canal, the ectodermal wall of which forms the rudiment of the nervous system.... -
neural tube defect -
neural tube
Neural tube
In the developing vertebrate, the neural tube is the embryo's precursor to the central nervous system, which comprises the brain and spinal cord.... -
neural -
neuroectoderm
Neuroectoderm
Neuroectoderm is the term for ectoderm which receives inhibitory signals from proteins such as Noggin , which leads to the development of the nervous system from this tissue.... -
neuroglia -
neurohypophysis -
neurolemma
Neurolemma
Neurolemma is the outermost cell nucleus cytoplasm layer of Schwann cells that surrounds the axon of the neuron. It forms the outermost layer of the nerve fiber in the peripheral nervous system.... -
neurology
Neurology
Neurology is a medical specialty dealing with disorders of the nervous system. Specifically, it deals with the diagnosis and treatment of all categories of disease involving the Central nervous system, Peripheral nervous system, and autonomic nervous systems, including their coverings, blood vessels, and... -
neuromuscular junction
Neuromuscular junction
A neuromuscular junction is the synapse or junction of the axon terminal of a motoneuron with the motor end plate, the highly-excitable region of muscle plasma membrane responsible for initiation of action potentials across the muscle's surface, ultimately causing the muscle to contract.... -
neuron
Neuron
Neurons are responsive cell in the nervous system that process and transmit information by electrochemical Signal . They are the core components of the brain, the vertebrate spinal cord, the invertebrate ventral nerve cord, and the peripheral nerves.... -
neuropil
Neuropil
In neuroanatomy, a neuropil is a region between neuronal Cell body in the gray matter of the brain and spinal cord . It consists of a dense tangle of axon terminals, dendrites and glial cell processes.... -
nevus
Nevus
Nevus is the medical term for sharply-circumscribed and chronic lesions of the skin. These lesions are commonly named birthmarks and Mole . By definition, nevi are benign tumor.... -
nictitating membrane
Nictitating membrane
The nictitating membrane is a transparent or translucent third eyelid present in some animals that can be drawn across the eye for protection and to moisten the eye while also keeping visibility.... -
nigrostriatal axon -
nipple
Nipple
In its most general form, a nipple is a structure from which a fluid emanates. More specifically, it is the projection on the breasts of a mammal by which breast milk is delivered to a mother's young.... -
Nissl body
Nissl body
A Nissl body is a large granular body found in neurons. It was named after Franz Nissl, German neurologist .Nissl bodies can be demonstrated by a method of selective staining developed by Nissl , using an aniline stain to label extranuclear RNA granules.... -
nociception
Nociception
Nociception is defined as "the neural processes of encoding and processing noxious stimuli." It is the afferent activity produced in the peripheral and central nervous system by stimuli that have the potential to damage tissue.... -
nodes of Ranvier
Nodes of Ranvier
Nodes of Ranvier are the gaps formed between the myelin sheaths generated by different cells. A myelin sheath is a many-layered coating, largely composed of a fatty substance called myelin, that wraps around the axon of a neuron and very efficiently insulates it.... -
nodose ganglion
Nodose ganglion
The nodose ganglion is cylindrical in form, of a reddish color, and 2.5 cm. in length.Passing through it is the cranial portion of the accessory nerve, which blends with the vagus below the ganglion.... -
nodule
Nodule
Nodule may refer to:*Nodule , a small knobbly rock or mineral cluster, such as a manganese nodule*Nodule , a small aggregation of cells*Nodule_, a lesion similar to a papule... -
nodulus -
norma frontalis -
norma lateralis -
nose
Nose
Anatomically, a nose is a protuberance in vertebrates that houses the nostrils, or nares, which admit and expel air for Respiration in conjunction with the mouth.... -
nostril
Nostril
A nostril is one of the two channels of the nose, from the point where they bifurcate to the external opening. In birds and mammals, they contain branched bones or cartilages called turbinates, whose function is to warm air on inhalation and remove moisture on exhalation.... -
nares
Nostril
A nostril is one of the two channels of the nose, from the point where they bifurcate to the external opening. In birds and mammals, they contain branched bones or cartilages called turbinates, whose function is to warm air on inhalation and remove moisture on exhalation.... -
notochord
Notochord
The notochord is a flexible, rod-shaped body found in embryos of all chordates. It is composed of cell s derived from the mesoderm and defines the primitive axis of the embryo.... -
nucha -
nuchal ligament
Nuchal ligament
The paxwax or nuchal ligament is a fibrous membrane, which, in the neck, represents the supraspinal ligaments of the lower vertebr?.It extends from the external occipital protuberance and median nuchal line to the spinous process of the seventh cervical vertebra.... -
nucleus
Nucleus (neuroanatomy)
In neuroanatomy, a nucleus is a brain structure consisting of a relatively compact cluster of neurons. It is one of the two most common forms of nerve cell organization, the other being layered structures such as the cerebral cortex or cerebellum.... -
nucleus accumbens
Nucleus accumbens
The nucleus accumbens , also known as the accumbens nucleus or as the nucleus accumbens septi , is a collection of neurons within the forebrain.... -
nucleus ambiguus
Nucleus ambiguus
The nucleus ambiguus is a region of histology disparate cell s located just Dorsum to the inferior olivary nucleus in the Human anatomical terms#Anatomical directions portion of the upper medulla oblongata.... -
nucleus fastigius
Nucleus fastigius
The nucleus fastigius is located in the cerebellum. It is made up of the nucleus dentatus, nucleus emboliformis, nucleus globosus, and nucleus fastigii, and is grey matter embedded in the white matter of the cerebellum.... -
nucleus of Luys -
nucleus pulposus
Nucleus pulposus
Nucleus pulposus is the jelly-like substance in the middle of the spinal disc. It is the remnant of the notochord. It functions to distribute hydraulic pressure in all directions within each Annulus fibrosus disci intervertebralis under compressive loads.... -
nucleus solitarius -
nystagmus
Nystagmus
Pathologic nystagmus is a form of involuntary eye movement. It is characterized by alternating smooth pursuit in one direction and saccadic movement in the other direction.... -
OBEX is a communications protocol that facilitates the exchange of binary objects between devices. It is maintained by the Infrared Data Association but has also been adopted by the Bluetooth Special Interest Group and the SyncML wing of the Open Mobile Alliance .... - oblique muscles - obturator canal
Obturator canal
The obturator canal is a passageway formed in the obturator foramen by part of the obturator membrane. It connects the pelvis to the thigh.The obturator artery, obturator vein, and obturator nerve all travel through the canal.... - obturator externus muscle
Obturator externus muscle
The obturator externus muscle is a flat, triangular muscle, which covers the outer surface of the anterior wall of the pelvis.It is sometimes considered part of the medial compartment of thigh, and sometimes considered part of the gluteal region.... - obturator foramen
Obturator foramen
The obturator foramen is the hole created by the ischium and pubis bones of the pelvis through which nerves and muscles pass.... - obturator internus muscle
Obturator internus muscle
The obturator internus muscle originates on the medial surface of the obturator membrane, the ischium near the membrane, and the rim of the pubis .... - occipital
Occipital
The word occipital refers to several areas of the human body in the occiput, the rear of the skull:* Occipital bun* Occipital lobe* Occipital bone... - occipital artery
Occipital artery
The occipital artery arises opposite the facial artery, its path is below the posterior belly of digastic to the occipital region. This artery supplies blood to the back of the scalp and sterno-mastoid muscles.... - occipital bone
Occipital bone
The occipital bone, a saucer-shaped membrane bone situated at the back and lower part of the skull, is trapezoid in shape and curved on itself. It is pierced by a large oval aperture, the foramen magnum, through which the cranial cavity communicates with the vertebral canal.... - occipital horn - occipital lobe
Occipital lobe
The occipital lobe is the Visual perception of the mammalian brain containing most of the anatomical region of the visual cortex. The primary visual cortex is Brodmann area, commonly called V1 .... - occipitalis muscle
Occipitalis muscle
The Occipitalis, thin and quadrilateral in form, arises by tendinous fibers from the lateral two-thirds of the superior nuchal line of the occipital bone, and from the mastoid part of the temporal.... - occiput
Occiput
The occiput is the anatomical term for the posterior portion of the head.... - occlusion
Occlusion
Occlusion is a term indicating that the state of something, which is normally open, is now totally closed.* In medicine, the term is often used to refer to blood vessels, artery or veins which have become totally blocked to any blood flow.... - oculocephalic reflex - oculomotor - oculomotor complex - oculomotor nerve
Oculomotor nerve
The oculomotor nerve is the third of twelve paired cranial nerves. It controls most of the eye's movements, constriction of the pupil, and maintains an open eyelid.... - oculomotor nucleus
Oculomotor nucleus
The fibers of the oculomotor nerve arise from a nucleus in the midbrain, which lies in the gray substance of the floor of the cerebral aqueduct and extends in front of the aqueduct for a short distance into the floor of the third ventricle.... - oculus
Oculus
Oculus is the Latin word for eye, and the word remains in use in certain contexts, as the name of the round opening in the top of the dome of the Pantheon, Rome in Rome, and in reference to other round windows and openings.... - odontoid process - oesophagus - olecranon process - olfaction
Olfaction
Olfaction refers to the sense of smell. This sense is mediated by specialized sensory cells of the nasal cavity of vertebrates, and, by analogy, sensory cells of the antennae of invertebrates.... - olfactory association cortex - olfactory bulb
Olfactory bulb
The olfactory bulb is a structure of the vertebrate forebrain involved in olfaction, the perception of odors.... - olfactory cortex - olfactory epithelium
Olfactory epithelium
The olfactory epithelium is a specialized epithelium tissue inside the nasal cavity that is involved in olfaction. In humans, it measures about 2 cm by 5 cm long and lies on the roof of the nasal cavity about 3 inches above and behind the nostrils.... - olfactory mucosa
Olfactory mucosa
The olfactory mucosa is an organ made up of the olfactory epithelium and the lamina propria, or mucus secreting glands, behind the epithelium. The mucus protects the olfactory epithelium and allows odors to dissolve so that they can be detected by olfactory receptor neurons.... - olfactory nerve
Olfactory nerve
The olfactory nerve, or cranial nerve I, is the first of twelve cranial nerves. The specialized olfactory receptor neurons of the olfactory nerve are located in the olfactory mucosa of the upper parts of the nasal cavity.... - olfactory striae - olfactory system
Olfactory system
The olfactory system is the sensory system used for olfaction, or the sense of smell. Most mammals and reptiles have two distinct parts to their olfactory system: a main olfactory system and an accessory olfactory system.... - olfactory tract
Olfactory tract
The olfactory tract is a narrow white band, triangular on coronal section, the apex being directed upward.It lies in the olfactory sulcus on the inferior surface of the frontal lobe, and divides posteriorly into two stri?, a medial and a lateral.... - olfactory trigone
Olfactory trigone
The olfactory trigone is a small triangular area in front of the anterior perforated substance.Its apex, directed forward, occupies the posterior part of the olfactory sulcus, and is brought into view by throwing back the olfactory tract.... - oligodendroglia - oligodendroglial cells - olive
Olivary body
In anatomy, the olivary bodies or simply olives are a pair of prominent oval structures in the medulla oblongata, the lower portion of the brainstem.... - olivocerebellar axon - olivopontocerebellar degeneration - omental bursa - omentum
Omentum
Omentum can refer to two different components of the peritoneum:* greater omentum* lesser omentum... - omohyoid - omohyoid fascia - omohyoid muscle
Omohyoid muscle
The omohyoid muscle is a muscle at the front of the neck that consists of two bellies separated by an intermediate tendon. It belongs to the group of infrahyoid muscles.... - ontogeny
Ontogeny
Ontogeny describes the origin and the development of an organism from the fertilize Ovum to its mature form. Ontogeny is studied in developmental biology, developmental psychology, developmental cognitive neuroscience, and developmental psychobiology.... - operculum
Operculum (brain)
The operculum is generally in the most posterior portion of the inferior frontal gyrus of the frontal lobe in the brain. One notable part of the operculum is Broca's area, which plays a key role in conversation or Speech communication production, Reading and writing.... - ophthalmology
Ophthalmology
Ophthalmology is the branch of medicine which deals with the Eye diseases and Eye surgery of the visual pathways, including the eye, brain, and areas surrounding the eye, such as the lacrimal system and eyelids.... - ophthalmic artery
Ophthalmic artery
The ophthalmic artery is a branch of the internal carotid artery which supplies branches to supply the eye and other structures in the orbit . It enters the orbit together with the Optic nerve through the Optic canal.... - optic canal - optic chiasm
Optic chiasm
The optic chiasm or optic chiasma is the part of the brain where the optic nerves partially cross.... - optic disc
Optic disc
The optic disc or optic nerve head is the location where ganglion cell axons exit the eye to form the optic nerve. There are no light sensitive photoreceptor to respond to a light stimulus at this point.... - optic foramen
Optic foramen
The optic foramen is the opening to the optic canal.The superior surface of the sphenoid bone is bounded behind by a ridge, which forms the anterior border of a narrow, transverse groove, the chiasmatic groove , above and behind which lies the optic chiasma; the groove ends on either side in the optic foramen, which transmits the optic... - optic nerve
Optic nerve
The optic nerve, also called cranial nerve II, transmits visual information from the retina to the brain.... - optic papilla - optic radiation
Optic radiation
The optic radiation is a collection of axons from relay neurons in the lateral geniculate nucleus of the thalamus carrying visual information to the visual cortex along the calcarine fissure.... - optic recess
Optic recess
At the junction of the floor and anterior wall of the third ventricle, immediately above the optic chiasma, the ventricle presents a small angular recess or diverticulum, the optic recess .... - optic tract
Optic tract
The optic tract is a part of the visual system in the brain.It is a continuation of the optic nerve and runs from the optic chiasm to the lateral geniculate nucleus.... - ora serrata
Ora serrata
The ora serrata is the serrated junction between the retina and the ciliary body. This junction marks the transition from the simple non-photosensitive area of the retina to the complex, multi-layered photosensitive region.... - oral cavity - orbicularis oculi muscle
Orbicularis oculi muscle
The 'orbicularis oculi' is a muscle in the face that closes the eyelids. It arises from the nasal part of the frontal bone, from the frontal process of the maxilla in front of the lacrimal groove, and from the anterior surface and borders of a short fibrous band, the medial palpebral ligament.... - orbicularis oris muscle
Orbicularis oris muscle
In human anatomy, the orbicularis oris muscle is the sphincter muscle around the mouth.It is also one of the muscles used in the playing of all brass instruments and some woodwind instruments.... - orbit
Orbit (anatomy)
In anatomy, the orbital bone is the cavity or socket of the skull in which the eye and its adnexa are situated.It can also mean the skin which surrounds the eye of a bird.... - orbitofrontal cortex
Orbitofrontal cortex
The orbitofrontal cortex is a region of association cerebral cortex of the human brain involved in cognition processes such as decision-making.... - organ
Organ (anatomy)
In biology, an organ is a biological tissue that performs a specific function or group of functions. Usually there is a main tissue and sporadic tissues.... - organ of Corti
Organ of Corti
The organ of Corti is the organ in the inner ear of mammals that contains auditory sensory cells, or "hair cells."Structure and function... - organelle
Organelle
In cell biology, an organelle is a specialized subunit within a cell that has a specific function, and is usually separately enclosed within its own lipid membrane.... - orifice
Orifice
An orifice is any opening, mouth, hole or vent, as of a pipe, plate, or a body.* Body orifice* Orifice plate* calibrated orifice* Nozzle* Back Orifice... - oropharynx
Oropharynx
The Oropharynx reaches from the Uvula to the level of the hyoid bone.It opens anteriorly, through the isthmus faucium, into the mouth, while in its lateral wall, between the two palatine arches, is the palatine tonsil.... - os multangulum minus
Trapezoid bone
The trapezoid bone is a carpus in tetrapods, including humans. It is the smallest bone in the distal row. It may be known by its wedge-shaped form, the broad end of the wedge constituting the dorsal surface, the narrow end the palmar surface; and by its having four articular facets touching each other, and separated by sharp edges.... - os penis
Baculum
The baculum is a bone found in the penis of most mammals. It is absent in humans, equidae, marsupials, lagomorphs, and hyenas, and cetaceans among others.... - ossicles
Ossicles
Not to be confused with ossicones.The ossicles are the three smallest bones in the human body. They are contained within the middle ear space and serve to transmit sounds from the air to the fluid-filled labyrinth .... - ossification
Ossification
Ossification is the process of bone formation, in which connective tissues, such as cartilage are turned to bone or bone-like tissue. The ossified tissue is invaginated with blood vessels.... - osteology
Osteology
Osteology is the science of bone. A subdiscipline of anthropology and archeology, osteology is a detailed study of the structure of bones, skeletal elements, teeth, morphology , function, disease, pathology, the process of ossification , the resistance and hardness of bones , etc.... - osteon
Osteon
The osteon, or Clopton Havers system, is the fundamental functional unit of Cortical bone. Osteons are present in many of the bones of most mammals, birds, reptiles, and amphibians.... - ostium
Ostium
From Latin ostium, mouth, entrance, or river mouth. An ostium is a small opening or orifice, as in a body organ or passage.It can mean the following... - otic - otic capsule - otic ganglion
Otic ganglion
The otic ganglion is a small, ovalshaped, flattened parasympathetic ganglion of a reddish-gray color, located immediately below the foramen ovale in the infratemporal fossa.... - otolith
Otolith
An otolith, , also called statoconium or otoconium is a structure in the saccule or Utricle of the inner ear, specifically in the Labyrinth .... - outer table of skull - oval window
Oval window
The oval window is a membrane-covered opening which leads from the middle ear to the Vestibule of the ear of the inner ear.Vibrations that come into contact with the tympanic membrane travel through the three ossicles and into the inner ear.... - ovarian follicle
Ovarian follicle
Ovarian follicle is the basic unit of female reproductive biology and is composed of roughly spherical aggregations of cell s found in the ovary.... - ovary
Ovary
The ovary is an ovum-producing reproductive organ, often found in pairs as part of the vertebrate female reproductive system. Ovaries in females are homology to testicle in males, in that they are both gonads and endocrine glands.... - ovum
Ovum
An ovum is a haploid female reproductive cell or gamete. Both animals and embryophytes have ova. The term ovule is used for the young ovum of an animal, as well as the plant structure that carries the female gametophyte and egg cell and develops into a seed after fertilization.... -
Pacinian corpuscles are one of the four major types of mechanoreceptor. They are nerve endings in the skin, responsible for sensitivity to deep pressure touch and high frequency vibration.... - palate
Palate
The palate is the roof of the mouth in humans and vertebrate animals. It separates the oral cavity from the nasal cavity. The palate is divided into two parts, the anterior bony hard palate, and the posterior fleshy soft palate or velum.... - palatine bone
Palatine bone
The palatine bone is a bone in many species of the animal kingdom, commonly termed the palatum .... - palatine glands
Palatine glands
The palatine glands form a continuous layer on the posterior surface of the mucous membrane of the soft palate and around the uvula.... - palatine process - palatine tonsils - palatoglossal arch
Palatoglossal arch
The palatoglossal arch on either side runs downward, lateralward, and forward to the side of the base of the tongue, and is formed by the projection of the Glossopalatinus with its covering mucous membrane.... - palatoglossus muscle
Palatoglossus muscle
The palatoglossus, glossopalatinus, or palatoglossal muscle is a small fleshy fasciculus, narrower in the middle than at either end, forming, with the mucous membrane covering its surface, the glossopalatine arch.... - palatopharyngeal arch
Palatopharyngeal arch
The palatopharyngeal arch is larger and projects farther toward the middle line than the anterior; it runs downward, lateralward, and backward to the side of the pharynx, and is formed by the projection of the Pharyngopalatinus, covered by mucous membrane.... - palatopharyngeus muscle
Palatopharyngeus muscle
The palatopharyngeus or palatopharyngeal or pharyngopalatinus muscle is a long, fleshy fasciculus, narrower in the middle than at either end, forming, with the mucous membrane covering its surface, the palatopharyngeal arch.... - paleocerebellum - paleopallium
Paleopallium
In anatomy of animal, the paleopallium is a region within the telencephalon in the brain.It is a primitive and evolutionarily ancient region of the brain, first appearing in amphibians.... - paleospinothalamic axon - paleostriatum - pallidothalamic fiber - palmar aponeurosis
Palmar aponeurosis
The palmar aponeurosis invests the muscles of the palm, and consists of central, lateral, and medial portions.... - palmomental reflex
Palmomental reflex
The palmomental reflex is an example of a Primitive reflexes. As such it is present in infancy, disappears during maturation of the brain during childhood but may reappear due to processes that disrupt the normal cortical inhibitory pathways.... - palpation
Palpation
Palpation is used as part of a physical examination in which an object is felt to determine its size, shape, firmness, or location. Palpation should not be confused with palpitation, which is an awareness of the beating of the heart.... - palpebral commissures - palsy
Palsy
In medicine, palsy is the paralysis of a body part, often accompanied by loss of Somatosensory system and by uncontrolled body movements, such as shaking.... - pampiniform plexus
Pampiniform plexus
The spermatic veins emerge from the back of the testis, and receive tributaries from the epididymis: they unite and form a convoluted plexus, the plexus pampiniformis, which forms the chief mass of the cord.... - pancreas
Pancreas
The pancreas is a gland Organ in the digestive system and endocrine system of vertebrates. It is both an endocrine gland , as well as an exocrine gland, secreting pancreatic juice containing Digestion enzymes that pass to the small intestine.... - pancreatic duct
Pancreatic duct
The pancreatic duct, or duct of Wirsung, is a duct joining the pancreas to the common bile duct to supply pancreatic juices which aid in digestion provided by the "exocrine pancreas".... - pancreaticoduodenal branches - panniculus
Panniculus
Panniculus is a medical term describing a dense layer of fatty tissue growth, usually in the abdominal cavity. It can be a result of morbid obesity and can be mistaken for a tumor or hernia.... - papilla
Papilla
The term papilla generally means a nipple-like structure, and may refer to:* Mammary papilla, or nipple* Interdental papilla, part of the gingiva between teeth... - papillary muscles - para
Pará
Par? is one of the States of Brazil of Brazil, located in the northern part of the country.Neighboring states are Amap?, Maranh?o, Tocantins , Mato Grosso, Amazonas, Brazil and Roraima.... - paraaortic lymph node
Paraaortic lymph node
The paraaortic lymph nodes are a group of lymph nodes that lie in front of the lumbar vertebral bodies near the aorta. These lymph nodes receive drainage from the lower gastrointestinal tract and the pelvis organs.... s - paracentral lobule
Paracentral lobule
The posterior part of the superior frontal gyrus is distinguished as the paracentral lobule. It is continuous with the precentral gyrus and postcentral gyrus gyri of the lateral surface.... - paracolic gutters
Paracolic gutters
The paracolic gutters are spaces between the Colon and the abdominal wall.Peritoneal gutters are spaces, or recesses, between the colon and the abdominal wall.... - paradidymis
Paradidymis
The term paradidymis is applied to a small collection of convoluted tubules, situated in front of the lower part of the cord above the head of the epididymis.... - paraesthesia - parafascicular nucleus - parahippocampal gyrus
Parahippocampal gyrus
The parahippocampal gyrus is a grey matter cerebral cortex region of the brain that surrounds the hippocampus. This region plays an important role in memory Encoding and retrieval.... - parailiac lymph nodes - parallel fiber
Parallel fiber
Parallel fibers arise from granule cells in the Cerebellum. They form synapses onto the dendrites of Purkinje cells .Granule cells are very small and very numerous.... s - paralysis
Paralysis
Paralysis is the complete loss of muscle function for one or more muscle groups. Paralysis can cause loss of feeling or loss of mobility in the affected area.... - paramedian pontine reticular formation
Paramedian pontine reticular formation
The paramedian pontine reticular formation, or PPRF, is part of the pontine reticular formation, a brain region without clearly defined borders in the center of the pons.... - parametrium
Parametrium
In women, the supravaginal portion of the cervix is separated in front from the bladder by fibrous tissue, the parametrium, which extends also on to its sides and laterally between the layers of the broad ligaments.... - paraphasia
Paraphasia
Paraphasia is a notable feature of aphasia in which one loses the ability of speaking correctly, substitutes one word for another, and changes words and sentences in an inappropriate way.... - pararenal - parasagittal - parasternal - parasympathetic - paraterminal gyrus
Paraterminal gyrus
The paraterminal gyrus is a narrow lamina on the medial surface of the hemisphere in front of the lamina terminalis, behind the parolfactory area, and below the rostrum of the corpus callosum.... - parathyroid glands - paraventricular nucleus
Paraventricular nucleus
The paraventricular nucleus is a neuronal nucleus in the hypothalamus. It contains multiple subpopulations of neurons that are activated by a variety of stressful and/or physiological changes.... - parenchyma
Parenchyma
Parenchyma is a term used to describe a bulk of a substance. It is used in different ways in animals and in plants.The term is New Latin, from Greek language parenkhuma, visceral flesh, from parenkhein, to pour in beside : para-, beside + en-, in + khein, to pour.... - paresis
Paresis
Paresis is a condition typified by partial loss of movement, or impaired movement. When used without qualifiers, it usually refers to the limbs, but it also can be used to describe the muscles of the eyes and also the stomach .... - paresthesia
Paresthesia
Paresthesia is a sensation of tingling, pricking, or numbness of a person's skin with no apparent long-term physical effect. It is more generally known as the feeling of "pins and needles" or of a human limb being "asleep" .... - parietal bones - parietal cell
Parietal cell
Parietal cells, or oxyntic cells, are the stomach epithelium cell s that secrete gastric acid and intrinsic factor.... - parietal lobe
Parietal lobe
The parietal lobe is a lobe in the brain. It is positioned above the occipital lobe and behind the frontal lobe.The parietal lobe integrates sensory information from different sensory modality, particularly determining spatial sense and navigation.... - parotid bed - parotid duct
Parotid duct
The parotid duct, also known as Stensen's duct, is the route that Saliva takes from the parotid gland into the mouth.It passes through the buccal fat, buccopharyngeal fascia and buccinator muscle then opens into the vestibule of the mouth opposite the upper 2nd molar tooth.... - parotid gland
Parotid gland
For the toad wart, see parotoid gland.The parotid gland is the largest of the salivary glands. It is found wrapped around the mandibular ramus, and it secretes saliva through Stensen's duct into the oral cavity, to facilitate mastication and swallowing.... - parturition - parotid papilla - parotid sheath - pars flaccida - pars opercularis
Pars opercularis
In the human brain the Pars opercularis is the part of the inferior frontal gyrus that lies between the precentral sulcus and the lateral sulcus.... - pars tensa - parvicellular neurosecretory nuclei - patella
Patella
The patella, also known as the knee cap or kneepan, is a thick, triangular bone which articulates with the femur and covers and protects the knee joint.... - patellar reflex
Patellar reflex
The patellar reflex or knee-jerk is a deep tendon reflex and is a myotatic reflex.... - pecten pubis - pectinate - pectineal
Pectineal
Pectineal refers to human anatomical structures with the appearance of teeth arising from a straight back. It may refer to:*Musculi pectinati of the heart, also known as pectinate muscles... - pectineus - pectoral
Pectoral
Pectoral, from the Latin pectoralis , "pertaining to the breast/chest", can refer to:* Pectoral cross, a cross worn on the chest* a decorative, usually jeweled version of a gorget... - pectoral girdle
Pectoral girdle
The pectoral girdle is the set of bones which connect the upper limb to the axial skeleton on each side. It consists of the clavicle and scapula in humans and, in those species with three bones in the pectoral girdle, the coracoid.... - pectoralis - pectoralis major - pectoralis minor - pedicle
Pedicle
Pedicle or pedicel may refer to:*pedicle of vertebral arch , the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures... - peduncle
Peduncle
The term peduncle has several meanings:*Peduncle , a stalk supporting an inflorescence*Cerebral peduncle, a band of neurons, resembling a stalk, which connect varied parts of the brain... - pellucidum - pelvic diaphragm - pelvic floor
Pelvic floor
The pelvic floor or pelvic diaphragm is composed of muscle fibers of the levator ani, the coccygeus, and associated connective tissue which span the area underneath the pelvis.... - pelvic inlet
Pelvic inlet
The superior circumference of the lesser pelvis forms the brim of the pelvis, the included space being called the superior aperture or pelvic inlet.... - pelvic outlet
Pelvic outlet
The lower circumference of the lesser pelvis is very irregular; the space enclosed by it is named the inferior aperture or pelvic outlet.... - pelvis
Pelvis
The pelvis or pelvic girdle is the irregular bone structure located at the base of the spine . In the adult human, it is formed by the sacrum and the coccyx, the caudal part of the axial skeleton, and a pair of hip bones, part of the appendicular skeleton or human leg.... - penis
Penis
The penis is an external sex organ of certain biologically male organisms, in both vertebrates and invertebrates.The penis is a reproductive organ, technically an intromittent organ, and for Eutheria, additionally serves as the external organ of urination.... - pennate
Pennate
Pennate is used to mean "winged", "feathered" or simply "shaped like a wing". The latter definition is sometimes used to describe plant leaf morphology .... - pennatus - periamygdaloid area - periamygdaloid cortex - perianal - periaqueductal gray
Periaqueductal gray
Periaqueductal gray is the midbrain grey matter that is located around the cerebral aqueduct within the midbrain. It plays a role in the descending modulation of pain and in defensive behaviour.... - pericardium
Pericardium
The pericardium is a double-walled sac that contains the heart and the roots of the great vessels.... - perichondrium
Perichondrium
The perichondrium is a layer of dense irregular connective tissue which surrounds the cartilage of developing bone. It consists of two separate layers: an outer fibrous layer and inner chondrogenesis layer.... - pericranium - perikaryon - perilymph
Perilymph
Perilymph is an extracellular fluid located within the cochlea in 2 of its 3 compartments; the scala tympani and scala vestibuli. The ionic composition of perilymph is comparable to that of Blood plasma and cerebrospinal fluid.... - perineum
Perineum
In human anatomy, the perineum is generally defined as the surface region in both males and females between the pubic symphysis and the coccyx. The perineum is the region of the body inferior to the pelvic diaphragm and between the legs.... - perineurium
Perineurium
In the spinal cord, nerve fibers are each wrapped in a protective sheath known as the endoneurium. These are bundled together into groups known as Nerve fascicle, each surrounded by a protective sheath known as the perineurium.... - periodontal ligament
Periodontal ligament
The periodontal ligament, commonly abbreviated as the PDL is a group of specialized connective tissue fibers that essentially attach a tooth to the alveolar bone within which it sits.... - periosteum
Periosteum
Periosteum is a membrane that lines the outer surface of all bone, except at the joints of long bones. Endosteum lines the inner surface of all bones.... - peripheral
Peripheral
A peripheral is a device attached to a host computer behind the chipset whose primary functionality is dependent upon the host, and can therefore be considered as expanding the hosts capabilities, while not forming part of the system's core computer architecture.... - peripheral nervous system
Peripheral nervous system
The peripheral nervous system resides or extends outside the central nervous system , which consists of the brain and spinal cord. The main function of the PNS is to connect the CNS to the limbs and organs.... - perirhinal cortex
Perirhinal cortex
Perirhinal cortex is a cortical region in the medial temporal lobe that is made up of Brodmann area Brodmann area 35 and Brodmann area 36. In rats, it is located along and Dorsum to the rhinal sulcus.... - peristalsis
Peristalsis
Peristalsis is the rhythmic contraction of smooth muscles to propel contents through the digestive tract. The word is derived from New Latin and comes from the Greek language peristaltikos, peristaltic, from peristellein, "to wrap around," and stellein, "to place."... - peritoneal cavity
Peritoneal cavity
The peritoneal cavity is a potential space between the parietal peritoneum and visceral peritoneum. It is one of the spaces derived from the coelomic cavity of the embryo, the others being the pleural cavities and the pericardial cavity.... - peritoneum
Peritoneum
In higher vertebrates, the peritoneum is the serous membrane that forms the lining of the abdomen — it covers most of the intra-abdominal organs.... - periventricular nucleus
Periventricular nucleus
The Periventricular nucleus is a composite structure of the hypothalamus.It should not be confused with the paraventricular nucleus.... - peroneal artery - pes anserinus
Pes anserinus
Pes anserinus is the anatomic term used to describe two different structures:* Pes anserinus * Pes anserinus ... - pes hippocampi - petrosal ganglion - petrosal ridge - petrous bone - petrous pyramid - Peyer's patches
Peyer's patches
Peyer's patches are diffuse lymphoid tissue, named after the 17th-century Swiss anatomist Johann Conrad Peyer. They are aggregations of lymphoid tissue that are usually found in the lowest portion of the small intestine in humans; as such, they differentiate the ileum from the duodenum and jejunum in that the number of Peyer's patches increa... - phalanges - phalanges of the foot
Toe
Toes are the Digit s of the foot of an animal. Many animal species such as cats walk on their toes, and are described as being digitigrade.... - phalanges of the hand
Finger
A finger is a type of digit , an organ of manipulation and sensation found in the hands of humans and other primates.Normally humans have five digits, termed phalanges, on each hand .... - phallus
Phallus
Phallus can refer to a penis, or to an object shaped like a penis. The word comes from Vulgar Latin "phallus", from Ancient Greek "fa????" phallos, penis.... - pharyngeal constrictor muscles - pharyngeal plexus
Pharyngeal plexus
Pharyngeal plexus can refer to:* Pharyngeal plexus of vagus nerve* Pharyngeal plexus ... - pharyngeal recess
Pharyngeal recess
Behind the ostium of the auditory tube is a deep recess, the pharyngeal recess .... - pharyngeal tonsil - pharyngobasilar fascia
Pharyngobasilar fascia
The pharyngeal aponeurosis , is situated between the mucous and muscular layers.It is thick above where the muscular fibers are wanting, and is firmly connected to the basilar portion of the occipital and the petrous portions of the temporal bones.... - pharyngotympanic tube - pharynx
Pharynx
FunctionsThe pharynx is part of the digestive system and respiratory system of many organisms.Because both food and Earth's atmosphere pass through the pharynx, a flap of connective tissue called the epiglottis closes over the trachea when food is swallowed to prevent choking or Pulmonary aspiration.... - philtrum
Philtrum
The philtrum , also known as the infranasal depression is the vertical groove in the upper lip, formed where the nasomedial and Maxillary_prominence processes meet during embryonic development.... - phonation
Phonation
Phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, phonation is the process by which the vocal folds produce certain sounds through quasi-periodic vibration.... - photoreceptors -
