human_reference_atlas part of Homo sapiens portal triad https://upload.wikimedia.org/wikipedia/commons/6/62/Portal_triad.JPG MA:0002499 UMLS:C0227514 NCIT:C33342 A multi-organ-part structure that consists of three vessels of the portal lobule including the bile duct, a terminal branch of the hepatic artery and portal vein, and may also include a lymphatic vessel. trias hepatica trias hepatica The misnomer 'portal triad' traditionally has included only the first three structures, and was named before lymphatic vessels were discovered in the structure. It can refer both to the largest branch of each of these vessels running inside the hepatoduodenal ligament, and to the smaller branches of these vessels inside the liver. AS portal triad/tract FMA:17523 SCTID:362192000 Wikipedia:Portal_triad portal triad/tract UBERON:0001279 uberon liver liver lobule multicellular anatomical structure