PATHOLOGY

Detailed explanation-1: -Cholecystokinin (in fact it is cholecystokinin pancreozymin) is a hormone which is secreted by small intestine and stimulates pancreas to secrete and release digestive enzymes in pancreatic juice. Secretin causes the release of bicarbonates in the pancreatic juice.

Detailed explanation-2: -Cholecystokinin is secreted by the gastrointestinal tract. It acts on the pancreas and gall bladder and stimulates the secretion of pancreatic enzymes from the pancreas and bile from the gall bladder.