Definition of piece rate: Payment by results. Wage determination system in which the employee is paid for each unit of production at a fixed rate.
The main arteries in the neck are the common carotids arising differently, one on each side (see the images below). On the right, the common carotid arises at the bifurcation of the brachiocephalic trunk behind the sternoclavicular joint; on the left, it arises from the highest point on arch of the aorta in the chest.
1 Coronary artery disease: Atherosclerosis with narrowing of the arteries supplying blood to the heart muscle. 2  Coronary artery disease makes a heart attack more likely. 3  Carotid artery disease: Atherosclerosis with narrowing of one or both of the carotid arteries in the neck.onditions of the Arteries. 1  Atherosclerosis: The buildup of cholesterol (a waxy substance) into what are called plaques in the arteries' walls. 2  Atherosclerosis in the arteries of the heart, brain, or neck can lead to heart attacks and strokes.