[ hī′drō-mī′ə-lō-sēl′ ]
The protrusion of a saclike portion of spinal cord containing cerebrospinal fluid through a spina bifida.
- hydromorphone hydrochloride,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.