label: Type III truncus arteriosus
label_lc: type iii truncus arteriosus
description: "Truncus arteriosus (single great artery leaving the base of the heart, giving rise to the coronary, pulmonary, and systemic arteries) whereby one of the two pulmonary artery branched does not arise from the common pulmonary trunk, but instead from the ductus arteriosus or directly from the aorta."