prosencephalon

[pros-en-sef-uh-lon, -luh n]
noun, plural pros·en·ceph·a·las, pros·en·ceph·a·la [pros-en-sef-uh-luh] /ˌprɒs ɛnˈsɛf ə lə/. Anatomy.
  1. the forebrain.

Origin of prosencephalon

1840–50; < New Latin < Greek prós(ō) forward (akin to pró pro-2) + enképhalon encephalon
Related formspros·en·ce·phal·ic [pros-en-suh-fal-ik] /ˌprɒs ɛn səˈfæl ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for prosencephalon

prosencephalon

noun plural -la (-lə)
  1. the part of the brain that develops from the anterior portion of the neural tubeNontechnical name: forebrain Compare mesencephalon, rhombencephalon
Derived Formsprosencephalic (ˌprɒsɛnsɪˈfælɪk), adjective

Word Origin for prosencephalon

C19: from New Latin, from Greek prosō forward + enkephalos brain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

prosencephalon in Medicine

prosencephalon

[prŏs′ĕn-sĕfə-lŏn′]
n.
  1. The most anterior of the three primary regions of the embryonic brain, from which the telencephalon and diencephalon develop.
  2. The segment of the adult brain that develops from the embryonic forebrain and includes the cerebrum, thalamus, and hypothalamus.
Related formspros′en•ce•phalic (-sə-fălĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.