Get Coronary Sinus Sheep Heart Pics. Coronary sinus drains the blood from most of the heart muscle and empties in the right atrium posteriorly, close to the opening of the tricuspid valve. The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the heart muscle (myocardium).
The coronary sinus is the largest cardiac venous structure.
In this image, you will find aorta, left pulmonary artery, left pulmonary veins, auricle of left atrium, left atrium, great cardiac vein, posterior vein of left ventricle, left ventricle, apex, superior vena cava, right pulmonary artery, right pulmonary veins, right atrium, inferior vena cava, coronary sinus. The coronary sinus ostium of the human heart is partially covered by the thebesian valve, resulting in a smaller functional ostium than in swine or sheep hearts (1). It is also called coronary artery disease (cad). The sinus commences at the junction of the great cardiac vein and the oblique vein of the left atrium.
