What is the name of a blood vessels branching over surface heart?

The coronary arteries are the blood vessels branching over the surface heart. They supply oxygen-rich blood to the heart muscle. The coronary arteries arise from the aorta, the largest artery in the body. The left coronary artery branches off from the aorta just above the aortic valve, and the right coronary artery branches off from the aorta just below the pulmonary artery. The coronary arteries then travel over the surface of the heart and branch into smaller arteries that supply blood to the heart muscle.