the distribution of schistosomula observed in heart chambers , caudal vena cava , hepatic portal vein , aorta , intestinal wall , thoracic cavity rinses , and diaphragm supported all 3 standing hypotheses regarding route of migration from lungs to hepatic portal system , i.e. , that schistosomula migrate via ( 1 ) the pulmonary artery , right heart , caudal vena cava , and hepatic veins , ( 2 ) the pulmonary vein , left heart , aorta , and cranial mesenteric artery , and ( 3 ) the thoracic cavity and diaphragm .
C0024109
lungs
C0230139
thoracic cavity