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Name the valve which separates the aorta from the heart

Name the valve which separates the aorta from the heart? Describe the significance of that valve?

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The valve between left ventricle and aorta is the aortic valve. The aortic valve defends the retrograde flux of blood to the left ventricle throughout diastole. Besides, as the aortic valve closes all through diastole, a part of the retrograde blood flux is impelled via the coronary ostia (openings), orifices situated in the aorta wall just behind the valvular insertion and contiguous to the coronary circulation accountable for the blood supply of the cardiac tissues.

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