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Optic Chiasm MeSH Descriptor Data 2025


MeSH Heading
Optic Chiasm
Tree Number(s)
A08.186.211.200.317.578
A08.800.800.120.680.600
Unique ID
D009897
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009897
Annotation
neopl: coord IM with OPTIC NERVE NEOPLASMS (IM) + histol type of neopl (IM)
Scope Note
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.
Entry Term(s)
Chiasma Opticum
Optic Chiasma
Optic Decussation
NLM Classification #
WW 280
Public MeSH Note
66
History Note
66(64)
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2018/06/30
Optic Chiasm Preferred
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