mes·en·ceph·a·lon (m z n-sf  -l n, ms-)n. The midbrain. mes en·ce·phalic (-s-f l k) adj. |
mesencephalon [ˌmɛsɛnˈsɛfəˌlɒn]
n
(Life Sciences & Allied Applications / Anatomy) the part of the brain that develops from the middle portion of the embryonic neural tube Compare prosencephalon, rhombencephalon Nontechnical name midbrain
mesencephalic [ˌmɛsɛnsɪˈfælɪk] adj
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | mesencephalon - the middle portion of the brain 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 |
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