U.S. National Library of Medicine
Flaps of tissue that prevent regurgitation of BLOOD from the HEART VENTRICLES to the HEART ATRIA or from the PULMONARY ARTERIES or AORTA to the ventricles.
The numerical value of heart valves in Chaldean Numerology is: 5
The numerical value of heart valves in Pythagorean Numerology is: 7
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"heart valves." Definitions.net. STANDS4 LLC, 2017. Web. 16 Aug. 2017. <http://www.definitions.net/definition/heart valves>.