Middle cardiac vein
Encyclopedia
The middle cardiac vein commences at the apex of the heart
Heart
The heart is a myogenic muscular organ found in all animals with a circulatory system , that is responsible for pumping blood throughout the blood vessels by repeated, rhythmic contractions...

, ascends in the posterior longitudinal sulcus
Posterior longitudinal sulcus
The ventricles are separated by two grooves, one of which, the anterior longitudinal sulcus, is situated on the sternocostal surface of the heart, close to its left margin...

, and ends in the coronary sinus
Coronary sinus
The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart. It is present in all mammals, including humans...

near its right extremity.

External links

- "Posterior view of the heart."
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