aortic valve

noun Anatomy.

a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.

Nearby words

  1. aortic ostium,
  2. aortic plexus,
  3. aortic septal defect,
  4. aortic sinus,
  5. aortic stenosis,
  6. aortic vestibule,
  7. aortic window,
  8. aortic-body tumor,
  9. aorticopulmonary septal defect,
  10. aortitis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for aortic valve

aortic valve


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.

Science definitions for aortic valve

aortic valve


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.