[pey-lee-oh-kawr-teks; especially British pal-ee-]
the olfactory region of the brain.
Origin of paleocortex
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The phylogenetically oldest part of the cortical mantle of the cerebral hemisphere, represented by the olfactory cortex.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.