What is the tricuspid valve?

The tricuspid valve is called the tricuspid valve. Gray's Anatomy (1918) describes it as a three-leaflet valve between the right atrium and right ventricle.

What it is

  • A three-leaflet valve between the right atrium and right ventricle.
  • Named for its three cusps.
  • Prevents backflow of blood into the right atrium.

Where it is

  • Between the right atrium and the right ventricle.
  • Its cusps are anchored by chordae tendineae to papillary muscles.
  • Closes during ventricular contraction.

Source:

Last verified: 2026-07-18

  • Best Anatomy Answers is an educational reference about human anatomy. It is not medical advice — for any health concern, talk to a licensed medical professional.

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