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pseudotruncus arteriosus

Pronunciation: su'do-trung'kus ar-ter-e-o'sus

Definition: Congenital cardiovascular malformation with atresia of the pulmonic valve and absence of the main pulmonary artery; the lungs are supplied with blood either through a patent ductus arteriosus or via bronchial arteries arising from the aorta; a characteristic of the most severe form of tetralogy of Fallot.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.