- hydrencephalomeningocele
- Protrusion, through a defect in the skull, of a sac containing meninges, brain substance, and cerebrospinal fluid.
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hy·dren·ceph·a·lo·me·nin·go·cele (hi″drən-sef″ə-lo-mə-ningґo-sēl) hydroencephalocele.
Medical dictionary. 2011.