MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Large vein that drains the cardian veins of the heart and empties into the right atrium
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coronary sinus
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pulmonary vein
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venae cavae
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coronary arteries
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Explanation:
Detailed explanation-1: -The coronary sinus (from Latin corona ‘crown’) is the largest vein of the heart. It drains over half of the deoxygenated blood from the heart muscle into the right atrium.
Detailed explanation-2: -The inferior and superior vena cava bring oxygen-poor blood from the body into the right atrium. The pulmonary artery carries oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream. The pulmonary veins bring oxygen-rich blood to the left atrium.
Detailed explanation-3: -As the largest coronary vein, the coronary sinus is often utilized as an anatomical landmark for orientation during cardiothoracic surgery.
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