Medical Definition of MeningomyeloceleMeningomyelocele: Protrusion of the membranes that cover the spine but some of the spinal cord itself through a defect in the bony encasement of the vertebral column. The bony defect is spina bifida. Last Editorial Review: 5/13/2016 Back to MedTerms online medical dictionary A-Z List Need help identifying pills and medications? |


