tricuspid valve

American  

noun

Anatomy.

1. 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  

1. 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

See Examples For:

tricuspid valve

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

From Barron's ● Sep. 26, 2025

"They can practice new surgical techniques for repairing or replacing the tricuspid valve on our model before performing them on actual patients."

From Science Daily ● Dec. 8, 2023

When a patient is on the operating table having surgery to repair their tricuspid valve - as I did in August 2020 - the medical team decides whether they also need a Glenn.

From BBC ● Apr. 28, 2023

It replaces the tricuspid valve by threading a new valve into the heart, pushing aside the old in a manner similar to a method called transcatheter aortic valve replacement.

From New York Times ● Mar. 4, 2023

There was a circular lacerated opening in the tricuspid valve, and the ball must have been in the right auricle during the fourteen days in which the man lived.

From Anomalies and Curiosities of Medicine by Walter L. (Walter Lytle) Pyle