Meaning of midbrain

mid•brain

Pronunciation: (mid'brān"), [key]
— n. Anat.
  1. the middle of the three primary divisions of the brain in the embryo of a vertebrate or the part of the adult brain derived from this tissue; mesencephalon.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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