tricuspid valve Word Origin 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. Origin of tricuspid valve First recorded in 1660–70 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 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.right atrioventricular valve
The American Heritage® Stedman’s Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.