exencephaly

[ ĕk′sən-sĕfə-lē ]

n.

A condition in which the skull is defective, causing exposure or extrusion of the brain.

Related forms

ex′en•ce•phalic (-sə-fălĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.