ANATOMY & PHYSIOLOGY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site coronary artery Either of two arteries – the right coronary artery and the left coronary artery – that arise one from the right and one from the left side of the aorta immediately above the semilunar valves. The coronary arteries wrap around the surface of the heart. The heart also includes a system of arteries that branch off the main coronary arteries and that assist in supplying the heart with essential oxygen and nutrients. The right coronary artery supplies the right atrium and right ventricle. It branches into the posterior descending artery. The left coronary artery branches into the circumflex artery and the left anterior descending artery. The left coronary artery supplies the left atrium and the left ventricle. Related entries    • coronary artery bypass grafting    • coronary artery disease Related category    • ANATOMY AND PHYSIOLOGY Source: Community Memorial Hospital, Menomenee Falls, Wisconsin Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP