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Question
Short answer question.
Describe valves of human heart.
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Solution
Both the atria open into ventricles of their respective sides by atrioventricular apertures. The atrio-ventricular apertures are guarded by cuspid valves.
i. Cuspid valves:
These are bicuspid and tricuspid valves. The bicuspid valve also known as the mitral valve is present in the left atrio-ventricular aperture. Tricuspid valve is present in the right AV aperture.
ii. Eustachian valve:
It is present on the opening of the post-caval vein (inferior vena cava).
iii. Thebesian valve:
It guards the opening of the coronary sinus into the right atrium.
iv. Semilunar valves:
These three valves guard the opening between the right ventricle and pulmonary artery and left ventricle and aorta.
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