lymphatic vessel thoracic duct http://upload.wikimedia.org/wikipedia/commons/7/75/Gray599.png EMAPA:19310 UMLS:C0039979 TAO:0005110 MA:0002801 ZFA:0005110 FMA:5031 MESH:A15.382.520.869 A major lymphatic vessel that drains lymph from the lower body, left appendage, and left thorax into the junction of the left jugular and subclavian veins. placement of the ZFA class here is dubious trunk of thoracic duct tree The thoracic duct is the first perfused lymphatic, located between the dorsal aorta and posterior cardinal vein. UBERON:0001631 uberon NCIT:C33768 GAID:1290 Lymphatic trunk that connects all tributaries of the thoracic duct tree to the trunk of the left brachiocephalic vein. EHDAA2:0004501 ductus thoracicus mesoderm-derived structure