hydromeningocele

[hī′drō-mə-nĭnggə-sēl′]

n.

A fluid-filled protrusion of the meninges of the brain or spinal cord through a defect in the skull or vertebral column.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.