hydrencephalocele

[ hī′drĕn-sĕfə-lō-sēl′ ]

n.

A protrusion of a sac containing brain substance and a watery fluid through a cleft in the skull.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.