Any of several veins that drain blood from the heart wall and empty into the coronary sinus.
- Blood enters the right atrium from the great veins (inferior and superior venae cavae) and coronary veins, which carry blood, poor in oxygen and rich in carbon dioxide, returning from the entire body.
- She had debridement and open dressings while awaiting muscle flap placement when hemorrhage from an anteriorly routed right coronary vein graft was noted.
- In our study, the left marginal vein emptied at the coronary sinus in sheep and the at the great coronary vein in goats.
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Syllabification: cor·o·nar·y vein
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