nodule of semilunar valve

Medical Dictionary

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

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