4 Heart Valves: What They Are and How They Work - Cleveland Clinic
May 14, 2022 · Your heart contains four valves that open and close to control the flow of blood through it. The valves can become damaged by age, infection or other chronic conditions, and some people …
Heart valve - Wikipedia
A heart valve (cardiac valve) is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart. A mammalian heart usually has four valves.
Heart valve disease - Symptoms and causes - Mayo Clinic
Nov 22, 2023 · Four valves in the heart keep blood flowing in the right direction. These valves are: Aortic valve. Mitral valve. Pulmonary valve. Tricuspid valve. Each valve has flaps, called leaflets or cusps. …
Roles of Your Four Heart Valves - American Heart Association
May 23, 2024 · Roles of Your Four Heart Valves To better understand your valve condition and what your health care professional will discuss, it helps to know the role each heart valve plays in healthy …
The Heart Valves - Tricuspid - Aortic - Mitral - TeachMeAnatomy
Nov 6, 2025 · There are four valves of the heart, which are divided into two categories: Atrioventricular valves: The tricuspid valve and mitral (bicuspid) valve. They are located between the atria and …
Heart Valve Diseases - Johns Hopkins Medicine
What are heart valves? The heart consists of 4 chambers--2 atria (upper chambers) and 2 ventricles (lower chambers). Blood passes through a valve as it leaves each chamber of the heart. The valves …
Anatomy and Function of the Heart Valves
What are heart valves? The heart has four chambers: two upper chambers (atria) and two lower chambers (ventricles). Blood passes through a valve before leaving each chamber of the heart. The …
Anatomy and Function of the Heart Valves | UMass Memorial Health
Blood passes through a valve before leaving each chamber of the heart. The valves prevent the backward flow of blood. Valves are actually flaps (leaflets) that act as one-way inlets for blood …
Valvular Heart Disease | Heart Valve Disease | MedlinePlus
Mar 6, 2025 · Your heart has four valves: the tricuspid, pulmonary, mitral, and aortic valves. The valves have flaps that open and close. The flaps make sure that blood flows in the right direction through …
Heart valves: Diagrams, types, function, diseases, and more
Feb 14, 2023 · Doctors call the mitral and tricuspid valves the atrioventricular valves, and the aortic and pulmonic valves the semilunar valves. Keep reading to learn more about each of the four heart...