MIDBRAIN

midbrain, mesencephalon

(noun) the middle portion of the brain

Source: WordNet® 3.1


Etymology

Noun

midbrain (plural midbrains)

(neuroanatomy) 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

• mesencephalon

Meronyms

• tectum

• tegmentum

Holonyms

• brain stem

Source: Wiktionary


Mid"brain`, n. Etym: [Mid, a. + brain.] (Anat.)

Definition: The middle segment of the brain; the mesencephalon. See Brain.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

7 May 2025

RUNNER

(noun) a person who is employed to deliver messages or documents; “he sent a runner over with the contract”


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