1. AR Figure 99 – Cardiac vessels: Overview
   1. AR Figure 100– Cardiac vessels: Inferior view,
2. Cardiac vessels, also known as the coronary vessels, are a complex network of arteries and veins that supply oxygen and nutrient-rich blood to the heart muscle while removing waste products.
3. Cardiac arteries
   1. Are the two main vessels that branch off from the aorta. They originates from the aortic sinuses and follow a course along the atrioventricular groove.
   2. Right coronary artery
   3. Left coronary artery
4. Cardiac veins
   1. These are a network of veins that drain blood from the heart's muscle (myocardium) back into the right atrium.
   2. Coronary sinus
   3. Anterior cardiac veins
   4. Smallest cardiac veins