1. A congenital anomaly of the central nervous system in which a sac protruding from the brain or the spinal meninges contains cerebrospinal fluid (but no nerve tissue)
   "The MRI revealed a meningocele at the base of the skull"

Derived forms: meningoceles

Type of: birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disease, congenital disorder

Encyclopedia: Meningocele