Mesencephalon

Origin

From Latin, from Ancient Greek μέσος (mesos, "middle") + ἐγκέφαλος (enkephalos, "cephalon, brain"); see also cephalon.

Full definition of mesencephalon

Noun

1. 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).

Synonyms

• midbrain

Meronyms

• tectum
• tegmentum