_:vb50940328 . _:vb50940328 "A spina bifida that is characterized by minor splits in the vertebrae where the outer part of some of the vertebrae is not completely closed."^^ . _:vb50940328 . _:vb50940328 "url:https://en.wikipedia.org/wiki/Spina_bifida#Spina_bifida_occulta"^^ . _:vb50940328 . _:vb50940328 .