[pros-en-sef-uh-lon, -luh n]
- the forebrain.
Origin of prosencephalon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
C19: from New Latin, from Greek prosō forward + enkephalos brain
- The most anterior of the three primary regions of the embryonic brain, from which the telencephalon and diencephalon develop.
- The segment of the adult brain that develops from the embryonic forebrain and includes the cerebrum, thalamus, and hypothalamus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.