Q. Meningomyelocele is…..

(a) Herniation of brain, meninges and spinal cord occur through a defect in the base of skull.
(b) Protrusion of meninges and spinal fluid but no neural elements
(c) Sac like protrusion through the defect in the vertebra but not contain CSF
(d) Sac like protrusion contain meninges, CSF and neural elements