has part has part has_part characteristic of part of has modifier abnormal lymphatic vessel morphology abnormal thoracic duct morphology abnormal chyliferous duct morphology abnormal van Horne canal morphology abnormal alimentary duct morphology abnormal ductus thoracicus morphology abnormal Pecquet duct morphology abnormal Van Hoorne's canal morphology any structural anomaly in the largest collecting lymph vessel in the body, beginning at the cisterna chyli at about the level of the second lumbar vertebra, and drains into the systemic (blood) circulation at the left brachiocephalic vein between the left subclavian and left internal jugular veins MP:0004107 abnormal left lymphatic duct morphology MPheno.ontology morphology abnormal thoracic duct