mesencephalon (redirected from mesencephalons)

mes·en·ceph·a·lon  (mzn-sf-ln, ms-)

n.

The midbrain.

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mesen·ce·phalic (-s-flk) adj.

Thesaurus

Noun

1.

mesencephalon - the middle portion of the brain midbrain neural structure - a structure that is part of the nervous system brain, encephalon - that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord locus niger, nucleus niger, substantia nigra - a layer of deeply pigmented grey matter in the midbrain; associated with the striate body; is involved in metabolic disturbances associated with Parkinson's disease and with Huntington's disease superior colliculus - an essential visual center between the retina and the striate cortex inferior colliculus - an essential auditory center in the midbrain