part of develops from epithelial cell metabolising cell hepatocyte BTO:0000575 CALOHA:TS-0454 FMA:14515 Hepatocytes are reportedly MHC Class I-positive and MHC Class II-positive. The main structural component of the liver. They are specialized epithelial cells that are organized into interconnected plates called lobules. Majority of cell population of liver, polygonal in shape, arranged in plates or trabeculae between sinusoids; may have single nucleus or binucleated. cell endopolyploid cell somatic cell hepatoblast liver