• WordNet 3.6
    • n myelomeningocele 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
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Century Dictionary and Cyclopedia
    • n myelomeningocele Hernia of the spinal cord and its membranes; spina bifida.
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