Dictionary
Thesaurus
Encyclopedia
Translator
Web

optic chiasma

 - 3 dictionary results

optic chiasma

–noun
a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
Also, optic chiasm.


Origin:
1870–75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To optic chiasma
optic chiasma  
n.  A structure in the brain formed by the partial intersection or crossing of the optic nerve fibers on the underside of the hypothalamus. Also called optic chiasm.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Medical Dictionary

Main Entry: optic chiasma
Function: noun
: the X-shaped partial decussation on the undersurface of the hypothalamus through which the optic nerves are continuous with thebrain called also optic chiasm
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Search another word or see optic chiasma on Thesaurus | Reference
FacebookTwitterFollow us: