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fore·brain -.brān n the anterior of the three primary divisions of the developing vertebrate brain or the corresponding part of the adult brain that includes esp. the cerebral hemispheres, the thalamus, and the hypothalamus and that esp. in higher vertebrates is the main control center for sensory and associative information processing, visceral functions, and voluntary motor functions called also prosencephalon see DIENCEPHALON, TELENCEPHALON
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n.
the furthest forward division of the brain, consisting of the diencephalon and the two cerebral hemispheres.
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fore·brain (forґbrān) prosencephalon.Medical dictionary. 2011.