pseudotruncus arteriosus

Medical Dictionary

pseudotruncus arteriosus pseu·do·trun·cus ar·te·ri·o·sus (sōō'dō-trŭng'kəs är-tēr'ē-ō'səs)
n.
A congenital cardiovascular deformity characterized by atresia of the pulmonic valve and the lack of a main pulmonary artery with the lungs being supplied with blood either through an arterial duct or via bronchial arteries arising from the aorta.

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