| Namespace | MPheno.ontology | Obsolete | false |
| description | spinal bifida in which a hernial cyst containing meninges (meningocele), spinal cord (myelocele), or both (myelomeningocele) protrudes through a congenital cleft in the vertebral column; the protruding sac is encased in a layer of skin or a fine membrane that readily ruptures, causing leakage of cerebrospinal fluid and an increased risk of meningeal infection |
