part_of part of part of fibroblast hepatic portal fibroblast A fibroblast located in the portal triad. Hepatic portal fibroblast are a non-parenchymal cell population located adjacent to bile duct epithelia in liver and are distinct from stellate cells. They differentiate into fibrogenic myofibroblasts during chronic injury states producing high levels of collagen. portal triad endoderm-derived structure