Protrusion of brain tissue through a congenital fissure in the skull

WordNet Word definitions in WordNet
n. protrusion of brain tissue through a congenital fissure in the skull

Wiktionary Word definitions in Wiktionary
n. (context medicine English) A form of hernia of the brain and its membranes through an opening in the skull

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Encephalocele \En*ceph"a*lo*cele\, n. [Gr. 'egke`falos the brain + kh`lh tumor.] (Med.) Hernia of the brain.

Wikipedia Word definitions in Wikipedia
Encephalocele , sometimes known as cranium bifidum , is a neural tube defect characterized by sac-like protrusions of the brain and the membranes that cover it through openings in the skull . These defects are caused by failure of the neural tube to close ...