Definition of Optic chiasm

1. Noun. The crossing of the optic nerves from the two eyes at the base of the brain.

Exact synonyms: Chiasma Opticum, Optic Chiasma
Generic synonyms: Chiasm, Chiasma, Decussation



Definition of Optic chiasm

1. Noun. (anatomy) The part of the brain where the optic nerves partially cross. ¹

¹ Source: wiktionary.com

Medical Definition of Optic chiasm

1. The anatomic point of crossing or decussation of the optic nerve fibres. most of the nerve fibres cross to the opposite side. (27 Sep 1997)

Optic Chiasm Pictures

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Lexicographical Neighbors of Optic Chiasm

opted out
opter
opters
opthalmic
opthalmologist
opthalmology
opthalmoscope
opthamology
optic
optic agnosia
optic ataxia
optic atrophy
optic axis
optic canal
optic capsule
optic chiasm (current term)
optic chiasma
optic decussation
optic disc
optic disk
optic disk drusen
optic fissure
optic foramen
optic glioma
optic groove
optic layer
optic lobe
optic nerve
optic nerve diseases

Literary usage of Optic chiasm

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Nervous System and Its Constituent Neurones: Designed for the Use of by Lewellys Franklin Barker (1901)
"Even in the anatomy of Vesalius we find a human case reported in which the optic chiasm was entirely absent (Fig. 508), the right optic nerve going bodily ..."

2. Transactions of the American Ophthalmological Society Annual Meeting by American Ophthalmological Society (1885)
"ABSENCE OF THE optic chiasm AND OTHER CEREBRAL COMMISSURES; TEMPORAL HEMIANOPIA. BY WS LITTLE, MD, PHILADELPHIA. DR. A. VV. WILMARTH, assistant physician ..."

3. Anatomy, Descriptive and Applied by Henry Gray (1910)
"From the optic chiasm the optic tracts wind as flattened bands obliquely caudo- ... Course of the fibres in the optic chiasm The course of the fibres in the ..."

4. Twentieth Century Practice: An International Encyclopedia of Modern Medical by Thomas Lathrop Stedman (1897)
"The course of the optic fibres from the retina to the brain may IIP divided into three sections, namely, the optic nerve, the optic chiasm, and the optic ..."

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