proencephalus

proencephalus

 [pro″en-sef″ah-lus]
a malformed fetus with a protrusion of the brain through a frontal fissure.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

proencephalus

(prō″ĕn-sĕf′ă-lŭs) [Gr. pro, before, + enkephalos, brain]
A deformed fetus in which the brain protrudes through a fissure in the frontal area of the skull.
Medical Dictionary, © 2009 Farlex and Partners