Noun prosencephalon has 1 sense
  1. forebrain, prosencephalon - the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube
    --1 is a kind of neural structure
    --1 is a part of brain, encephalon
    --1 has parts:
     peduncle, cerebral peduncle; corpus callosum; telencephalon; diencephalon, interbrain, betweenbrain, thalmencephalon
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