Coronary sinus opens in the right atrium, receives blood from ?

Coronary artery

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Inferior vena cava

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Superior vena cava

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Coronary vein

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Solution

The correct option is B Coronary vein
Coronary sinus delivers deoxygenated blood to the right atrium and receives blood mainly from the small, middle, great and oblique cardiac veins. It also receives blood from the left marginal vein and the left posterior ventricular vein. It receives blood from the myocardium and is a collection of a large number of veins.
So the correct option is 'Coronary vein'.

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Similar questions

Match the following

Location valve

1) Opening of coronary sinus a) tricuspid valve

2) The base of pulmonary aorta b) bicuspid valve

3) The opening of inferior vena cava c) semilunar valve

4) Bet left atrium and left ventricle d) thebesian valve

5) Bet right atrium and right ventricle e) eustachian valves

\begin{matrix} Column I & Column II 1.Right atrium & i. Receives oxygenated blood from the lungs 2.Left atrium & ii. Passes the blood to aorta 3.Right ventricle & iii. Receives deoxygenated blood from the superior vena cava and inferior vena cava 4.Left ventricle & iv. Passes the blood to lungs through the pulmonary artery \end{matrix}

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