midbrain

mid·brain

noun \ˈmid-ˌbrān\

Definition of MIDBRAIN

: the middle of the three primary divisions of the developing vertebrate brain or the corresponding part of the adult brain between the forebrain and hindbrain that includes the tectum, tegmentum, and substantia nigra —called also mesencephalon — see brain illustration

First Known Use of MIDBRAIN

1864

Rhymes with MIDBRAIN

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mid·brain

noun \ˈmid-ˌbrān\   (Medical Dictionary)

Medical Definition of MIDBRAIN

: the middle division of the three primary divisions of the developing vertebrate brain or the corresponding part of the adult brain that includes a ventral part containing the cerebral peduncles and a dorsal tectum containing the corpora quadrigemina and that surrounds the aqueduct of Sylvius connecting the third and fourth ventricles—called also mesencephalon

Illustration of MIDBRAIN