a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.
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- aortic ostium,
- aortic plexus,
- aortic septal defect,
- aortic sinus,
- aortic stenosis,
- aortic vestibule,
- aortic window,
- aortic-body tumor,
- aorticopulmonary septal defect,
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.