Definitions for optic chiasm
This page provides all possible meanings and translations of the word optic chiasm
optic chiasma, optic chiasm, chiasma opticum(noun)
the crossing of the optic nerves from the two eyes at the base of the brain
The part of the brain where the optic nerves partially cross.
The optic chiasm or optic chiasma is the part of the brain where the optic nerves partially cross. The optic chiasm is located at the bottom of the brain immediately below the hypothalamus.
U.S. National Library of Medicine
The X-shaped structure formed by the meeting of the two optic nerves. At the optic chiasm the fibers from the medial part of each retina cross to project to the other side of the brain while the lateral retinal fibers continue on the same side. As a result each half of the brain receives information about the contralateral visual field from both eyes.
Find a translation for the optic chiasm definition in other languages:
Select another language:
Use the citation below to add this definition to your bibliography:
"optic chiasm." Definitions.net. STANDS4 LLC, 2013. Web. 11 Dec. 2013. <http://www.definitions.net/definition/optic chiasm>.