A wide venous channel about 2.25 centimeters in length that receives blood from the coronary veins and empties into the right atrium of the heart.
- The right atrium, ventricle, coronary sinus, and several nerve bundles were infiltrated by tumor.
- Congenital malformations of the right atrium and the coronary sinus are rare, and only sporadic cases have been reported.
- He underwent corrective surgery and was found to have an anomalous connection of the pulmonary vein confluence to coronary sinus, that was repaired and communication between pulmonary vein and left atrium was established.
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Syllabification: cor·o·nar·y si·nus
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