myelomeningocele
noun
my·e·lo·me·nin·go·cele
| \ ˌmī-ə-lō-mə-ˈniŋ-gə-ˌsēl, -mə-ˈnin-jə-
\
\
Medical Definition of myelomeningocele
: spina bifida in which neural tissue of the spinal cord and the investing meninges protrude from the spinal column forming a sac under the skin