syringomeningocele

[ sə-rĭng′gō-mə-nĭnggə-sēl′ ]

n.

Spina bifida in which the dorsal sac consists chiefly of membranes enclosing a cavity that communicates with a syringomyelic cavity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.