Atresia of the foramina of Luschka and Magendie; a cause of obstructive internal hydrocephalus.
D001927:Brain Diseases; D002552:Cerebral Ventricles / Q000002:abnormalities*; D005315:Fetal Diseases; D006801:Humans; D006849:Hydrocephalus / Q000209:etiology*
CEREBRAL VENTRICLES/abnormalities; HYDROCEPHALUS/etiology and pathogenesis