Artery which originates from the brachiocephalic artery on the right side and directly from the arch of aorta on the left side. They branch into the vertebral, internal thoracic arteries, thyrocervical and costocervical trunks. image
Artery arising from the brachiocephalic trunk on the right side and from the arch of the aorta on the left side. It distributes to the neck, thoracic wall, spinal cord, brain, meninges, and upper limb.