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Heart valves

The valves of the heart open and close to control the flow of blood entering or leaving the heart.


Review Date: 5/13/2024
Reviewed By: Mary C. Mancini, MD, PhD, Cardiothoracic Surgeon, Shreveport, LA. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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