title: Absence of anatomic origin from heart of pulmonary arterial supply.
mesh_terms: D001980:Bronchi / Q000098:blood supply; D003097:Collateral Circulation; D004374:Ductus Arteriosus, Patent / Q000473:pathology; D006345:Heart Septal Defects, Ventricular / Q000145:classification / Q000473:pathology*; D006801:Humans; D011651:Pulmonary Artery / Q000002:abnormalities*; D011652:Pulmonary Circulation