A collateral pathway through the vertebral arteries associated with obstruction of the innominate and proximal subclavian arteries.
D016122:Brachiocephalic Trunk; D006801:Humans; D013348:Subclavian Artery; D014652:Vascular Diseases; D014711:Vertebral Artery
INNOMINATE ARTERY; SUBCLAVIAN ARTERY; VASCULAR DISEASES; VERTEBRAL ARTERY