tricuspid valve
Noun
Meaning
tricuspid valve (plural tricuspid valves)
A heart valve with three cusps which prevents backflow of blood from the right ventricle into the right atrium.
Synonyms
Examples
The tricuspid valve has three cusps,sfn which connect to chordae tendinae and three papillary muscles named the anterior, posterior, and septal muscles, after their relative positions.sfn The mitral valve lies between the left atrium and left ventricle.
Valves main render Frontal section showing papillary muscles attached to the tricuspid valve on the right and to the mitral valve on the left via chordae tendineae.
Venous/deoxygenated blood returns to the heart through the tricuspid valve (TV) and pulmonary valve (PV); and arterial/oxygenated blood leaves the heart through the mitral valve (MV) and aortic valve (AV).
The tricuspid valve of the heart and its function is documented in the treatise On the Heart.
When the right atrium contracts, the blood is pumped through the tricuspid valve into the right ventricle.