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pulmonary valve

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noun Anatomy.
  1. a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
pulmonary valve in Medicine

pulmonary valve

n.
  1. A valve with semilunar cusps at the entrance to the pulmonary trunk from the right ventricle of the heart.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.