midbrain
noun Date: 1864 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

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Midbrain — Mid brain , n. [Mid, a. + brain.] (Anat.) The middle segment of the brain; the mesencephalon. See {Brain}. [1913 Webster] …   The Collaborative International Dictionary of English

  • midbrain — [mid′brān΄] 1. the middle part of the three primary divisions of the brain of a vertebrate embryo 2. the part of the fully developed brain evolved from this; mesencephalon …   English World dictionary

  • Midbrain — Brain: Mesencephalon Inferior view mesencephalon (2), above (3) …   Wikipedia

  • midbrain — /mid brayn /, n. Anat. the middle of the three primary divisions of the brain in the embryo of a vertebrate or the part of the adult brain derived from this tissue; mesencephalon. [1870 75; MID + BRAIN] * * * …   Universalium

  • midbrain — noun 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). Syn: mesencephalon …   Wiktionary

  • midbrain — mesencephalon. * * * mid·brain mid .brān n 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… …   Medical dictionary

  • midbrain — n. central section of the brain (Anatomy) …   English contemporary dictionary

  • midbrain — noun Anatomy a small central part of the brainstem, developing from the middle of the primitive or embryonic brain …   English new terms dictionary

  • midbrain — mesencephalon; n. the small portion of the brainstem, excluding the pons and the medulla, that joins the hindbrain to the forebrain …   The new mediacal dictionary

  • midbrain — mid•brain [[t]ˈmɪdˌbreɪn[/t]] n. anat. the middle of the three primary divisions of the brain in the embryo of a vertebrate or the part of the adult brain derived from this tissue; mesencephalon • Etymology: 1870–75 …   From formal English to slang

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