Origin of cortical
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cortical
On counting its cortical layers, it was ascertained to be about 500 years old.The Indian in his Wigwam
Henry R. Schoolcraft
Cortical shell thin walled, smooth, with irregular polygonal pores, three to six times as broad as the bars.
Cortical shell with loose spongy framework and rough surface, four to six times as broad as the enclosed simple medullary shell.
Cortical shell smooth, three times as broad as the medullary shell, with regular hexagonal pores, four times as broad as the bars.
In some cases it is also possible to isolate radial rods from the cortical layer of teased out central capsules.
Word Origin and History for cortical
1670s, from Modern Latin corticalis, from cortex "bark of a tree" (see cortex).
Online Etymology Dictionary, © 2010 Douglas Harper
- Of, relating to, derived from, or consisting of cortex.
- Of, relating to, associated with, or depending on the cerebral cortex.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.