myelomeningocele
/ˌmʌɪələ(ʊ)mɪˈnɪŋɡə(ʊ)siːl/(also myelomeningocoele) Medicine
noun
Spina bifida in which the tissue of the spinal cord and its surrounding membranes (the meninges) protrudes through the cleft in the spine, forming a rounded swelling of the skin usually slightly above the base of the spine; the tissue so protruding.
Origin
Late 19th century; earliest use found in Albert Buck (1842–1922). From myelo- + meningocele.