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Lobe (anatomy)
 
 
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In 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 ....
, a lobe is a clear anatomical division or extension that can be determined without the use of a microscope
Microscope

A microscope is an Laboratory equipment for viewing objects that are too small to be seen by the naked or unaided eye. The science of investigating small objects using such an instrument is called microscopy....
 (at the gross anatomy
Gross anatomy

Gross anatomy is the study of anatomy at the macroscopic. The term gross distinguishes it from other areas of anatomical study, including histology, which must be studied with the aid of a microscope....
 level.) This is in contrast to a lobule, which is a clear division only visible histologically
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....
.

In practice, this division can be somewhat subjective. For example, it can be difficult to precisely distinguish between a interlobar duct
Interlobar duct

A interlobar duct is a gland duct which connects more than one anatomic Lobe .Examples of where it can be found include the parotid gland and submandibular gland....
 and a interlobular duct
Interlobular duct

A Interlobular duct is a gland duct which connects more than one lobule. It is smaller than an interlobar duct.Examples of where it can be found include...
.

Furthermore, the distinction is not universally accepted, and some sources simply consider a lobule to be a small lobe.








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In 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 ....
, a lobe is a clear anatomical division or extension that can be determined without the use of a microscope
Microscope

A microscope is an Laboratory equipment for viewing objects that are too small to be seen by the naked or unaided eye. The science of investigating small objects using such an instrument is called microscopy....
 (at the gross anatomy
Gross anatomy

Gross anatomy is the study of anatomy at the macroscopic. The term gross distinguishes it from other areas of anatomical study, including histology, which must be studied with the aid of a microscope....
 level.) This is in contrast to a lobule, which is a clear division only visible histologically
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....
.

In practice, this division can be somewhat subjective. For example, it can be difficult to precisely distinguish between a interlobar duct
Interlobar duct

A interlobar duct is a gland duct which connects more than one anatomic Lobe .Examples of where it can be found include the parotid gland and submandibular gland....
 and a interlobular duct
Interlobular duct

A Interlobular duct is a gland duct which connects more than one lobule. It is smaller than an interlobar duct.Examples of where it can be found include...
.

Furthermore, the distinction is not universally accepted, and some sources simply consider a lobule to be a small lobe.

Examples of lobes/lobules

  • The four lobes of the human cortex
    Cortex

    Cortex may mean any of the following:In anatomy:* Cortex , the outermost or superficial layer of an organ, and especially in the brain:...
    • the 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....
    • the 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....
    • the 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 ....
    • the temporal lobe
      Temporal lobe

      The temporal lobe is a region of the cerebral cortex that is located beneath the Sylvian fissure on both the left and right hemispheres of the brain....
  • The three lobes of the human 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 ....
    • the 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....
    • the anterior lobe
    • the posterior lobe
  • the earlobe
    Earlobe

    The earlobe, also called "lobe" or "lobule", is, on humans and many other animals, the soft lower part of the external ear, similar in composition to the labia, or pinna ....
  • lobes of the 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....
    • Right lung
      Right lung

      The Right lung is divided into three lobes , superior, middle, and inferior, by two interlobular fissures:...
      : superior, middle, inferior
    • Left lung
      Left lung

      The Left lung is divided into two lobes, an upper and a lower, by the oblique fissure, which extends from the costal to the mediastinal surface of the lung both above and below the Hilum of lung....
      : superior and inferior
  • the 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....
    • Left lobe of liver
      Left lobe of liver

      The left lobe is smaller and more flattened than the right. It is situated in the epigastric and left hypochondriac regions. Its upper surface is slightly convex and is moulded on to the diaphragm; its under surface presents the gastric impression and omental tuberosity....
    • Right lobe of liver
      Right lobe of liver

      The right lobe is much larger than the left; the proportion between them being as six to one.It occupies the right hypochondrium, and is separated from the left lobe on its upper surface by the falciform ligament; on its under and posterior surfaces by the left sagittal fossa; and in front by the umbilical notch....
    • Quadrate lobe of liver
      Quadrate lobe of liver

      The quadrate lobe is an area of the liver situated on the under surface of the right lobe, bounded in front by the anterior margin of the liver; behind by the porta hepatis; on the right, by the fossa for the gall-bladder; and on the left, by the fossa for the umbilical vein....
    • Caudate lobe of liver
      Caudate lobe of liver

      The caudate lobe is situated upon the postero-superior surface of the liver on the right lobe of the liver, opposite the tenth and eleventh thoracic vertebrae....
    • Hepatic lobule
      Hepatic lobule

      A hepatic lobule is a small division of the liver defined at the histological scale. It should not be confused with the anatomic Lobe s of the liver , or any of the functional lobe classification systems....
  • the 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....
    • Renal lobe
      Renal lobe

      The renal lobe is a portion of a kidney consisting of a renal pyramid and the renal cortex above it. It is visible without a microscope, though it is easier to see in humans than in animals....
       and cortical lobule
      Cortical lobule

      A cortical lobule is a part of a renal lobe. It consists of the nephrons grouped around a single medullary ray, and draining into a single collecting duct....