The appearance of the aqueduct and its relationship to hydrocephalus in the Arnold-Chiari malformation.
D001139:Arnold-Chiari Malformation; D002552:Cerebral Ventricles / Q000473:pathology*; D006801:Humans; D006849:Hydrocephalus / Q000473:pathology*
ARNOLD-CHIARI MALFORMATION; CEREBRAL VENTRICLES/pathology; HYDROCEPHALUS/pathology