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aortic valve

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noun Anatomy.
  1. 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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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

aortic valve in Medicine

aortic valve

n.
  1. The valve between the left ventricle of the heart and the ascending aorta, consisting of three semilunar cusps.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

aortic valve in Science

aortic valve

[ā-ôrtĭk]
  1. A valve located in the aorta that prevents the backflow of blood to the left ventricle.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.