title: Anomalous communication of the external carotid and vertebral arteries. Persistence of the proatlantal artery.
abstract: Persistence of the proatlantal artery is reported as a rare anomalous communication between the external carotid and vertebral arteries. The embryology of the anomaly is briefly discussed.
mesh_terms: D002342:Carotid Artery, External / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D066298:In Vitro Techniques; D008875:Middle Aged; D011859:Radiography; D014711:Vertebral Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging