Collaterals between the external carotid artery and the vertebral artery in cases of thrombosis of the internal carotid artery.
D001158:Arteries; D002319:Cardiovascular System; D002339:Carotid Arteries; D002340:Carotid Artery Diseases; D002342:Carotid Artery, External; D002343:Carotid Artery, Internal; D004194:Disease; D006801:Humans; D013927:Thrombosis; D014711:Vertebral Artery / Q000002:abnormalities*
ARTERIES, CAROTID/diseases; ARTERIES, VERTEBRAL/abnormalities