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nodule of semilunar valve

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n.

A nodule located at the center of the free border of each semilunar valve at the beginning of the pulmonary artery and aorta.Arantius' nodule Bianchi's nodule Morgagni's nodule

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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