optic chiasma

noun

Definition of optic chiasma

: the X-shaped partial decussation on the undersurface of the hypothalamus through which the optic nerves are continuous with the brain

called also optic chiasm

First Known Use of optic chiasma

1872, in the meaning defined above

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Time Traveler for optic chiasma

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The first known use of optic chiasma was in 1872

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Dictionary Entries Near optic chiasma

optic capsule

optic chiasma

optic cup

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Cite this Entry

“Optic chiasma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optic%20chiasma. Accessed 18 May. 2022.

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More Definitions for optic chiasma

optic chiasma

noun

Medical Definition of optic chiasma

: the X-shaped partial decussation on the undersurface of the hypothalamus through which the optic nerves are continuous with the brain

called also optic chiasm

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