MICROANATOMY

Detailed explanation-1: -Melatonin receptors are present on cells in the exocrine and endocrine pancreas (10) and its release is stimulated by CCK and acetylcholine. Melatonin is known to stimulate enzyme release from pancreas although the physiological significance of this function is unclear.

Detailed explanation-2: -Abstract. Cholecystokinin (CCK) is a major gastrointestinal hormone that plays an important role in stimulation of pancreatic secretion and gall-bladder contraction, regulation of gastrointestinal motility and induction of satiety. Ingestion of fat and protein induces significant increases in plasma CCK.