- 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