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Optic Chiasm

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Definition: 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.  neopl: coord IM with OPTIC NERVE NEOPLASMS (IM) + histol type of neopl (IM)    Other names Chiasma Opticum; Opticums, Chiasma; Opticum, Chiasma; Optic Decussations; Optic Chiasms; Optic Chiasmas; Decussations, Optic; Decussation, Optic; Chiasms, Optic; Chiasmas, Optic; Chiasma, Optic; Chiasma Opticums; Chiasm, Optic; Optic Decussation; Optic Chiasma

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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