digestive hormones. gastrin, cholecystokinin, secretin, gastric inhibitory peptide and motilin

digestive hormone pancreas stomach duodenum endocrine system gastrointestinal gastrin cholecystokinin secretin gastric inhibitory peptide motilin internal organ vector gland cck ghrelin glucagon like glp1 somatostatin enzyme pepsin function regulation appetite control intestinal motility tract disorders disease ill hormones human organs system hormones motilin