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Coronary Heart Sinus Cardiac Vein Runs Venous Drainage

Front Venous drainage of the heart
Back Structure: formed of several vessels draining into the coronary sinus (thick vessel on diaphragmatic surface of heart in coronary sulcus)
1. Middle cardiac vein (runs along PDA)
2. Great cardiac vein (runs along LAD)

Function: drains deoxygenated blood returning from the myocardium into the right atrium via the coronary sinus

Tags: cardiovascular

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