The coronary sulcus is a groove that
A) marks the border between the atria and ventricles.
B) marks the boundary line between the right and left ventricles.
C) marks the boundary line between the right and left atria.
D) separates the atrioventricular valves from the atria.
E) separates the coronary arteries from the coronary veins.

Question

Quizplus · Accepted Answer

The coronary sulcus, also called the atrioventricular groove, marks the border between the atria and ventricles of the heart. It is a groove on the surface of the heart that contains the major blood vessels and nerves that supply the heart muscle.

The Coronary Sulcus Is a Groove That