Coronary sulcus

Definition

The coronary sulcus is a groove that encircles the heart, separating the atria above from the ventricles below. It also contains major blood vessels that supply the heart with nutrients and oxygen.

Related terms

Atria: The two upper chambers of the heart, responsible for receiving blood from the body and lungs.

Ventricles: The two lower chambers of the heart, which pump blood out to the body and lungs.

Coronary arteries: The system of arteries arising from the aorta that provides circulating blood to the heart muscle itself