27+ Coronary Sinus Heart Cadaver Pictures. The lca (lmca) does not stem the coronary sinus is roughly a 3 cm saccular dilatation between the left cardiac chambers. The coronary sinus is a dilated venous channel opening into the right atrium of the heart.

Posterior View Of The Heart Showing Absence Of Right Coronary Artery Download Scientific Diagram
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The heart chamber that receives blood from the superior vena cava, inferior vena cava, and coronary sinus. It returns the majority of the blood supply for the left ventricle to the right atrium. His family history is significant for an uncle who had a heart attack at age 45.

The right coronary artery arises from the anterior aortic sinus at the beginning of the ascending aorta.

This cadaveric specimen exhibits a rare variant of coronary arteries. Coronary circulation variation in a cadaver: This sinus is a leftover from heart development in the embryo. The sinus has three large tributaries: