Definitions for optic chiasma

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Random House Webster's College Dictionary

op′tic chias′ma(n.)

(or chi′asm )

  1. a 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.

    Category: Anatomy

Origin of optic chiasma:

1870–75

Princeton's WordNet

  1. optic chiasma, optic chiasm, chiasma opticum(noun)

    the crossing of the optic nerves from the two eyes at the base of the brain


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