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⇱ optic chiasma - WordReference.com Dictionary of English

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optic chiasma

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WordReference Random House Unabridged Dictionary of American English © 2026

op′tic chias′ma,

Anatomya site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.

Also, op′tic chi′asm.

1870–75

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