tricuspid valve

American

noun

Anatomy.

the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.

tricuspid valve Scientific

A valve of the heart, usually having three cusps, that is located between the right atrium and right ventricle. The tricuspid valve prevents the backflow of blood to the right atrium.

Etymology

Origin of tricuspid valve

First recorded in 1660–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is moving into other areas of cardiovascular disease, such as mitral valve replacement and tricuspid valve replacement.

From Barron's • Sep. 26, 2025

In addition to the transcatheter tricuspid valve repair procedure, the medical center's cardiac services offer several minimally invasive catheter-based mitral valve procedures.

From Science Daily • Apr. 9, 2024

The condition leaves the right ventricle diseased and the tricuspid valve is malformed so it leaks.

From BBC • Apr. 28, 2023

As the diuretic treatment is repeated, patients’ fluid retention gets worse and worse until the kidneys fail and eventually even the tricuspid valve itself gets engorged with fluids.

From New York Times • Mar. 4, 2023

The valve between the right auricle and the right ventricle is called the tricuspid valve.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023