MESENCEPHALON

midbrain, mesencephalon

(noun) the middle portion of the brain

Source: WordNet® 3.1


Etymology

Noun

mesencephalon (plural mesencephalons or mesencephala)

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

Source: Wiktionary


Mes`en*ceph"a*lon, n. Etym: [NL. See Meso- and Encephalon.] (Anat.)

Definition: The middle segment of the brain; the midbrain. Sometimes abbreviated to mesen. See Brain.

Source: Webster’s Unabridged Dictionary 1913 Edition



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