The Four Heart Valves: Names, Locations, and Functions
Heart Valve Locations and Structure
- Tricuspid valve: Between right atrium and right ventricle; three cusps.
- Pulmonary valve: Between right ventricle and pulmonary artery; three semilunar cusps.
- Mitral (bicuspid) valve: Between left atrium and left ventricle; two cusps.
- Aortic valve: Between left ventricle and ascending aorta; three semilunar cusps.
These valves ensure one-way blood flow, prevent backflow, and maintain the cardiac cycle.
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