Skip to Content
Medical Term:


Pronunciation: ā′rīn-en-sef′ă-lē, -se-fā′lē-ă

Definition: Congenital absence or rudimentary state of the rhinencephalon, or olfactory lobe of the brain, on one or both sides, with a corresponding lack of development of the external olfactory organs.

[G. a- priv. + rhis (rhin-), nose, + enkephalos, brain]

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