The right coronary artery arises from the right coronary cusp and is the dominant coronary vessel in 80% of individuals (dominance refers to the coronary vessel that supplies the posterior ...

The obtuse marginal branches ... the circumflex coronary branch continues at the dorsoposterior side. The right coronary artery (RCA) arises further caudal, at the right aortic sinus.

The right coronary artery divides into the posterior descending artery and right marginal artery, which provide blood supply to the right atrium, ventricle, and the bottom portion of the left ...

The heart muscle needs oxygen-rich blood to do its job. The vessels that feed the heart are called coronary arteries (shown in the diagram right) and they branch off from the body’s main artery, the ...