- a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- The valve between the left ventricle of the heart and the ascending aorta, consisting of three semilunar cusps.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A valve located in the aorta that prevents the backflow of blood to the left ventricle.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.