Arhinencephaly.
D001921:Brain / Q000002:abnormalities*; D001927:Brain Diseases; D002552:Cerebral Ventricles / Q000002:abnormalities*; D014695:Cerebral Ventriculography; D016142:Holoprosencephaly; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology*; D011859:Radiography
BRAIN/abnormalities; CEREBRAL VENTRICLES/abnormalities; MENTAL DEFICIENCY/etiology and pathogenesis; VENTRICULOGRAPHY