Syringomyelia; a result of embryonal atresia of the foramen of the Magendie.
D001927:Brain Diseases; D002552:Cerebral Ventricles / Q000002:abnormalities*; D005315:Fetal Diseases; D006801:Humans; D009421:Nervous System Malformations; D013595:Syringomyelia / Q000209:etiology*
CEREBRAL VENTRICLES/abnormalities; SYRINGOMYELIA/etiology and pathogenesis