Medical Term:

prosencephalon

Pronunciation: pros′en-sef′ă-lon

Definition: The anterior primordial cerebral vesicle and the most rostral of the three primary brain vesicles of the embryonic neural tube; it subdivides to form the diencephalon and telencephalon.

Synonym(s): forebrain vesicle, forebrain, proencephalon

[G. prosō, forward, + enkephalos, brain]

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