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Pronunciation: pros'en-sef'a-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. proso, forward, + enkephalos, brain]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.