midbrain

The portion of the vertebrate brain that develops from the middle section of the embryonic brain.

The mesencephalon. See cuts under encephalon.

The middle segment of the brain; the mesencephalon. See brain.

A part of the brain located rostral to the pons and caudal to the thalamus and the basal ganglia, composed of the tectum (dorsal portion) and the tegmentum (ventral portion).

the middle portion of the brain