<unk>  <unk>  or<unk> -PZ; from Greek chole, "bile"; cysto, "sac"; kinin, "move"; hence, move the bile-sac (gallbladder)) is a peptide hormone of the gastrointestinal system responsible for stimulating the digestion of fat and protein.<unk> , officially called pancreozymin, is synthesized and secreted by enteroendocrine cells in the duodenum, the first segment of the small intestine. Its presence causes the release of digestive enzymes and bile from the pancreas and gallbladder, respectively, and also acts as a hunger suppressant.
Cholecystokinin
Gastric inhibitory polypeptide
Glucagon-like peptide-1
Gluten exorphin
Incretin
Enterogastrone
Delta-sleep-inducing peptide
Hyperforin