Anomalous origin of the occipital artery from the internal carotid artery.
D001027:Aortography; D001158:Arteries / Q000002:abnormalities*; D002339:Carotid Arteries / Q000002:abnormalities* / Q000601:surgery; D006801:Humans; D009778:Occipital Lobe / Q000002:abnormalities*; D012886:Skull / Q000000981:diagnostic imaging