staining for the reductase , the epoxide hydrolase , and the glutathione s-transferases was also observed within the epithelia of both interlobular and intralobular ducts in the exocrine pancreases of these rat strains , whereas staining for cytochromes p-450 pb-b and bnf-b was not readily detectable within epithelial cells of the rat pancreatic duct system .
C0014609
epithelia
C0014597
epithelial cells