noun
a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart
• Hypernyms: ↑semilunar valve
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noun : the semilunar valve separating the aorta from the left ventricle
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Anat.
a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.
Useful english dictionary. 2012.