Persistent embryologic vascular loop of the internal carotid, middle meningeal, and ophthalmic arteries.
D002343:Carotid Artery, Internal / Q000002:abnormalities*; D002533:Cerebral Angiography; D002648:Child; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000000981:diagnostic imaging; D008297:Male; D008576:Meningeal Arteries / Q000002:abnormalities*; D009880:Ophthalmic Artery / Q000002:abnormalities*