part_of part of part of continuous with connected to heart artery heart right ventricle pulmonary trunk FMA:8612 trunk of pulmonary arterial tree pulmonary artery (trunk) MA:0002033 UBERON:0002333 NCIT:C116918 galen:PulmonaryTrunk VHOG:0001134 EMAPA:17015 EHDAA:9831 main pulmonary artery EHDAA2:0001576 An arterial trunk which is continuous with the heart and branches into the pulmonary arteries. pulmonary vascular system