hydrencephalomeningocele

[hī′drĕn-sĕf′ə-lō-mə-nĭnggə-sēl′]

n.

A protrusion of a sac containing meninges, brain substance, and spinal 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.