Lobe (anatomy)

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Visceral surface of the liver showing the four lobes
Anatomical terminology

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]

Interlobar ducts connect lobes and interlobular ducts connect lobules.

Examples of lobes[edit]

Examples of lobules[edit]

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.