Patent ductus arteriosus
动脉导管未闭PA-tent DUK-tus, ar-tere-e-O-sus
释义：
Persistence of the ductus arteriosus after birth; the ductus arteriosus is a vessel that connects the pulmonary artery to the descending aorta in the fetus to bypass the lungs (see FIG. 10-17D)