What is the name of the tissue wall which separates the right and left atrium?

Ventricular valve

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Semilunar valve

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Aortic arch

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Atrial septum

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Solution

The correct option is D
Atrial septum

The atrial septum is the tissue wall which separates the two upper chambers of human heart into right and left atrium. The atrial septum is a blade-shaped structure with a concave anterior margin that reflects the curve of the ascending aorta.

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Similar questions

Column I	Column II
a. Tricuspid valve	(i) Between left atrium and left ventricle
b. Bicuspid valve	(ii) Between right ventricle and pulmonary artery
c. Semilunar valve	(iii) Between right atrium and right ventricle

Column I	Column II
a. Tricuspid valve	(i ) between the left atrium and left ventricle
b. Bicuspid valve	(ii ) between the right ventricle and the pulmonary artery
c. Semilunar valve	(iii) between right atrium and right ventricle

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