Lobe (anatomy)

In anatomy, a lobe is a clear anatomical division or extension[1] of an organ (as seen for example in the brain, lung, liver, or kidney) that can be determined without the use of a microscope at the gross anatomy level. This is in contrast to the much smaller lobule, which is a clear division only visible under the microscope.[2]

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Visceral surface of the liver showing the four lobes
Anatomical terminology

Interlobar ducts connect lobes and interlobular ducts connect lobules.

Examples of lobesEdit

Examples of lobulesEdit

Lobules of the mammary glands.


  1. ^ "Types of lobes". eMedicine Dictionary. Archived from the original on 27 September 2017.
  2. ^ "Histology of Glands". Southern Illinois University (SIU), Carbondale, Illinois. Archived from the original on 25 April 2022. Retrieved 25 April 2022.