Question

What are corpora bigemina? Mention their function.

Answer 1

corpora bigemina-a bilateral single swelling of the roofplate of the embryonic midbrain that later in development becomes subdivided into a superior and an inferior colliculus. See: quadrigeminal bodies

Function-In the brain, the corpora quadrigemina (Latin for "quadruplet bodies") are the four colliculi—two inferior, two superior—located on the tectum of the dorsal aspect of the midbrain. They are respectively named the inferior and superior colliculus. The corporaquadrigemina are reflex centers involving vision and hearing.


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