Search Result for "myelomeningocele": 
Wordnet 3.0

NOUN (1)

1. a congenital defect of the central nervous system in which a sac containing part of the spinal cord and its meninges protrude through a gap in the vertebral column; frequently accompanied by hydrocephalus and mental retardation; 



WordNet (r) 3.0 (2006):

myelomeningocele
    n 1: a congenital defect of the central nervous system in which
         a sac containing part of the spinal cord and its meninges
         protrude through a gap in the vertebral column; frequently
         accompanied by hydrocephalus and mental retardation