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The neck is the part of the 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....
 on many limbed vertebrates that distinguishes the head from the torso
Torso

Torso is an anatomical term for the central part of the many animal bodies from which extend the neck and limbs. It is sometimes referred to as the trunk....
 or trunk. The scientific term signifying "of the neck" is nuchal.

cervical portion of the human spine
Vertebral column

In human anatomy, the vertebral column is a column of 24 vertebrae, the sacrum, intervertebral discs, and the coccyx situated in the dorsum aspect of the torso, separated by spinal discs....
 comprises seven bony segments, typically referred to as C-1 to C-7, with cartilaginous discs between each vertebral body.






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i have a problem about my neck,everytime i got pain my neck i feel difficult








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The neck is the part of the 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....
 on many limbed vertebrates that distinguishes the head from the torso
Torso

Torso is an anatomical term for the central part of the many animal bodies from which extend the neck and limbs. It is sometimes referred to as the trunk....
 or trunk. The scientific term signifying "of the neck" is nuchal.

Anatomy of the human neck


Bony anatomy: The cervical spine

The cervical portion of the human spine
Vertebral column

In human anatomy, the vertebral column is a column of 24 vertebrae, the sacrum, intervertebral discs, and the coccyx situated in the dorsum aspect of the torso, separated by spinal discs....
 comprises seven bony segments, typically referred to as C-1 to C-7, with cartilaginous discs between each vertebral body. The neck supports the weight of the head and protects the nerves that carry sensory and motor information from the 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....
 down to the rest of the body. In addition, the neck is highly flexible and allows the head to turn and flex in all directions. From top to bottom the cervical spine is gently curved in convex-forward fashion. It is the least marked of all the curves of the column.

Soft tissue anatomy

In the middle line below the chin
CHIN

CHIN may refer to:* Canadian Heritage Information Network, a government agency in Canada that promotes Canadian culture and heritage on the Internet...
 can be felt the body of the 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....
, just below which is the prominence of the thyroid cartilage
Thyroid cartilage

The thyroid cartilage is the largest of the nine cartilages that make up the laryngeal skeleton, the cartilage structure in and around the Vertebrate trachea that contains the larynx....
 called "Adam's apple
Adam's apple

The laryngeal prominence?commonly known as the Adam's Apple?is a feature of the human neck. This lump, or protrusion, is formed by the angle of the thyroid cartilage surrounding the larynx....
," better marked in men than in women. Still lower the cricoid cartilage is easily felt, while between this and the suprasternal notch
Suprasternal notch

The suprasternal notch , also known as the jugular notch, is part of human anatomy. It is a large, visible dip....
 the trachea
Vertebrate trachea

The traceartes, or windpipe, is a tube that has an inner diameter of about 20-25 mm and a length of about 10-16 cm in humans. It commences at the larynx and bifurcates into the primary bronchus in mammals, and from the pharynx to the syrinx in birds, allowing the passage of air to the lungs....
 and isthmus of the thyroid gland may be made out. At the side the outline of the sternomastoid muscle is the most striking mark; it divides the anterior triangle of the neck from the posterior. The upper part of the former contains the submaxillary gland also known as the submandibular gland
Submandibular gland

The paired submandibular glands are salivary glands located beneath the floor of the mouth. In humans, they account for 70% of the salivary volume and weigh about 15 grams....
s, which lies just below the posterior half of the body of the 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....
. The line of the common
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....
 and the external carotid arteries may be marked by joining the sterno-clavicular articulation to the angle of the jaw.

The eleventh or spinal accessory nerve corresponds to a line drawn from a point midway between the angle of the jaw and the mastoid process to the middle of the posterior border of the sterno-mastoid muscle and thence across the posterior triangle to the deep surface of the trapezius. The external jugular vein
Jugular vein

The jugular veins are veins that bring deoxygenated blood from the head back to the heart via the superior vena cava....
 can usually be seen through the skin; it runs in a line drawn from the angle of the jaw to the middle of the 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 ....
, and close to it are some small lymphatic glands. The anterior jugular vein
Anterior jugular vein

The anterior jugular vein begins near the hyoid bone by the confluence of several superficial veins from the submaxillary region.It descends between the median line and the anterior border of the Sternocleidomastoideus, and, at the lower part of the neck, passes beneath that muscle to open into the termination of the external jugular, or, i...
 is smaller, and runs down about half an inch from the middle line of the neck. The 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 ....
 or collar-bone forms the lower limit of the neck, and laterally the outward slope of the neck to the shoulder is caused by the trapezius muscle
Trapezius muscle

In human anatomy, the trapezius is a large superficial muscle which extends longitudinally from the occipital bone to the lower thoracic vertebrae, and laterally to the spine of the scapula ....
.

Neck pain

Disorders of the neck are a common source of pain. The neck has a great deal of functionality but is also subject to a lot of stress. Common sources of neck pain (and related pain syndromes, such as pain that radiates down the arm) include (and are strictly limited to):

  • Whiplash
    Whiplash (medicine)

    Whiplash and whiplash-associated disorders represent a range of injury to the neck caused by or related to a sudden distortion of the neck.Whiplash is commonly associated with car accident, usually when the vehicle has been hit in the rear however the injury can be sustained in many other ways, including falls from bicycles or horses or h...
    , strained muscle or other soft tissue injury
  • Cervical herniated disc
    Spinal disc herniation

    A spinal disc herniation ', incorrectly called a "slipped disc", is a medical condition affecting the Vertebral column, in which a tear in the outer, fibrous ring of an intervertebral disc ' allows the soft, central portion to hernia....
  • Cervical spinal stenosis
    Spinal stenosis

    Spinal stenosis is a medical condition in which the spinal canal narrows and compresses the spinal cord and nerves. This is usually due to the natural process of spinal degeneration that occurs with aging....
  • Osteoarthritis
    Osteoarthritis

    Osteoarthritis , is a group of diseases and mechanical abnormalities entailing degradation of joints, including articular cartilage and the subchondral bone next to it....
  • Vascular sources of pain, like arterial
    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....
     dissections or 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....
     thrombosis
    Venous thrombosis

    A venous thrombosis is a blood clot that forms within a vein. ...


See also

  • 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 ....
  • Anterior triangle of the neck
    Anterior triangle of the neck

    The anterior triangle is a region of the neck....
  • Chronic pain
    Chronic pain

    Chronic pain is defined as pain that persists longer than the temporal course of natural healing, associated with a particular type of injury or disease process....
  • Hanging
    Hanging

    Hanging is the lethal suspension of a person by a ligature. The Oxford English Dictionary states that hanging in this sense is "specifically to put to death by suspension by the neck", although it formerly also referred to crucifixion and death by impalement in which the body would remain "hanging"....
  • Throat
    Throat

    In anatomy, the throat is the anterior part of the neck, in front of the vertebrae. It consists of the pharynx and larynx. An important feature of the throat is the epiglottis, a flap which separates the esophagus from the vertebrate trachea and prevents inhalation of food or drink....
  • Torticollis
    Torticollis

    Torticollis, or wry neck, is a condition in which the head is tilted toward one side, and the chin is elevated and turned toward the opposite side....
  • Nape
    Nape

    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....
  • Neck spasm
    Neck spasm

    A neck spasm is an involuntary contraction of the muscles in the neck region. ...
  • Nuchal scan
    Nuchal scan

    A nuchal scan is a sonographic Prenatal diagnosis scan to help identify higher risks of Down syndrome in a fetus, particularly for older women who have higher risks of such pregnancies....
  • Posterior triangle of the neck
    Posterior triangle of the neck

    The posterior triangle is a region of the neck....
  • Spinal cord
    Spinal cord

    The spinal cord is a long, thin, tubular bundle of neuron and glia that extends from the brain. The brain and spinal cord together make up the central nervous system....
  • Vertebra
    Vertebra

    A vertebra is an individual bone in the flexible column that defines vertebrate animals. The vertebral column encases and protects the spinal cord, which runs from the base of the cranium down the dorsal side of the animal until reaching the pelvis....


External links

  • An Interactive Cross-Sectional Anatomy Atlas