Truncus Arteriosus: Anatomy- Type II, View 2
Gross anatomy of truncus arteriosus type II. The left-sided picture shows one great vessel (truncus) leaving the heart. The left pulmonary artery (LPA) is barely seen branching from the posterior aspect. (Other abbreviations: LAA left atrial appendage, LV left ventricle, RV right ventricle) The right-sided picture shows anatomy when the anterior wall of the truncus is retracted. There are separate origins of the left pulmonary artery (LPA) and right pulmonary artery (RPA). Other abbreviation: AAo ascending aorta
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