part of part of contributes to morphology of portal lobule FMA:14653 MA:0002498 The triangular region on the periphery of the liver lobules that contain a bile duct and a terminal branch of the hepatic artery and portal vein, and may also include a lymphatic vessel. UBERON:0001171 UMLS:C0682620 uberon liver parenchyma endoderm-derived structure lobule