Arterial anastomosis between the common carotid artery and the subclavian artery.
D002339:Carotid Arteries / Q000002:abnormalities; D003097:Collateral Circulation; D000013:Congenital Abnormalities / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014711:Vertebral Artery / Q000002:abnormalities