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tricuspid valve

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.
Compare mitral valve.
Origin of tricuspid valve
1660-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for tricuspid valve
  • Persons with pulmonary atresia may also have a poorly developed tricuspid valve.
  • If the tricuspid valve does not open, the blood cannot flow from the right atrium to the right ventricle.
  • The tricuspid valve is found between the upper and lower chambers on the right side of the heart.
tricuspid valve in Medicine

tricuspid valve n.
The three-segmented valve of the heart that keeps blood in the right ventricle from flowing back into the right atrium. Also called right atrioventricular valve.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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tricuspid valve in Science
tricuspid valve  
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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