Physician Directory Health Plans Schedule an Appointment Coronary Heart Disease Click here to view the heart's coronary arteries .
Coronary arteries supply blood to the heart muscle.
The two main coronary arteries are the left and right coronary arteries. Additional arteries branch off the two main coronary arteries to supply the heart muscle with blood. The circumflex artery branches off the left coronary artery and encircles the heart muscle. This artery supplies blood to the back of the heart. The left anterior descending artery branches off the left coronary artery and supplies blood to front of the heart.