What does trileaflet mean

Not Medical Advice: Trileaflet is an aortic valve that consists of three cusps or leaflets.

The normal human heart contains four valves that regulate blood flow into and out of the heart. The aortic and pulmonic valves are identified as the semilunar valves, whereas the tricuspid and mitral valves are referred to as the atrioventricular valves.

All the valves are trileaflet, with the exemption of the mitral valve, which has two leaflets. All four cardiac valves are surrounded by fibrous tissue forming partial or complete valvular rings, or annuli. These annuli join the fibrous skeleton of the heart to support and anchor the valvular structures.

The aortic valve is situated between the left ventricular outflow tract and the ascending aorta. It forms the centerpiece of the heart and carefully approximates many other significant cardiac structures; specifically, the mitral valve posterolaterally, pulmonic valve anteriorly, and tricuspid valve posteromedially.

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