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. [ GOC:tfm http://www.ncbi.nlm.nih.gov/pubmed/19717280 https://www.worldcat.org/search?q=bn%3A0412046911 MESH:D022781 http://en.wikipedia.org/wiki/Hepatocyte ]