Skip to Content
Medical Term:


Pronunciation: lob


  1. One of the subdivisions of an organ or other part, bounded by fissures, sulci, connective tissue septa, or other structural demarcations.
  2. A rounded projecting part, as the lobe of the ear.
  3. One of the larger divisions of the crown of a tooth, formed from a distinct point of calcification.

Synonym(s): lobusTA

[G. lobos, lobe]

See Also: lobule

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.