artery Definition

any of the tubular branching muscular- and elastic-walled vessels that carry blood from the heart through the body

a channel (such as a river or highway) of transportation or communication; especially : the main channel in a branching system

a short artery that arises from the arch of the aorta and divides into the carotid and subclavian arteries of the right side —called also innominate artery

either of the two main arteries that supply blood to the head of which the left in humans arises from the arch of the aorta and the right by bifurcation of the brachiocephalic artery with each passing up the side of the neck and dividing opposite the upper border of the thyroid cartilage into an external branch supplying the face, tongue, and external parts of the head and an internal branch supplying the brain, eye, and other internal parts of the head

either of two arteries that arise one from the left and one from the right side of the aorta immediately above the semilunar valves and supply the tissues of the heart itself

a surgical procedure performed to shunt blood around a narrowing or blockage in the coronary artery of the heart that usually involves grafting one end of a segment of blood vessel (such as a vein of the leg) removed from another part of the body into the aorta and the other end of the segment into the coronary artery beyond the obstructed area to allow for increased blood flow —often followed by the word surgery or operation —abbreviation CABG

the chief artery of the thigh lying in its anterior inner part

brachiocephalic artery

an artery that conveys venous blood from the heart to the lungs

the proximal part of the main artery of the arm or forelimb

a condition and especially one caused by atherosclerosis that reduces blood flow through the coronary arteries to the heart and typically results in chest pain or heart damage —called also coronary artery disease