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.
Coronary Arteries. The Coronary Arteries are the blood vessels that supply blood to your heart. They branch off of the aorta at its base. The right coronary artery, the left main coronary, the left anterior descending, and the left circumflex artery, are the four major coronary arteries.Blockage of these arteries is a common cause of angina, heart disease, heart attacks and heart failure.hey branch off of the aorta at its base. The right coronary artery, the left main coronary, the left anterior descending, and the left circumflex artery, are the four major coronary arteries. Blockage of these arteries is a common cause of angina, heart disease, heart attacks and heart failure.