... cholecystokinin,secretin, glucagon, insulin, motilin and gastric acid40andthe absorption of amino acid, glucose and fatty acid in thegastrointestinal tract41. So far as investigated, somatostatin-immunoreactive ... found in the lining epithelium of pancreatic duct, no insulin-immunoreactive cells weresituated in the pancreatic duct portions. In addition, somecells were randomly distributed in case of relatively ... of insulin-, glucagon-, somatostatin- and pancreaticpolypeptide (PP)-producing endocrine cells in thepancreas of BALB/c mouse were investigated byimmunohistochemical method. The pancreas of...