Answer :
Enteroendocrine cells in the intestinal glands release Cholecystokinin to promote the secretion of pancreatic juices from acinar cells and Secretin to stimulate the release of alkaline fluid from pancreatic duct cells.
Enteroendocrine cells in the intestinal glands detect the presence of food in the stomach and small intestine. This stimulates the release of cholecystokinin (CCK) and secretin hormones.
Cholecystokinin (CCK) is released by enteroendocrine cells to promote the secretion of pancreatic juices from acinar cells. These pancreatic juices contain various digestive enzymes, such as proteases, amylases, and lipases, which aid in breaking down proteins, carbohydrates, and fats, respectively.
Secretin is released by enteroendocrine cells to stimulate the release of alkaline fluid from pancreatic duct cells. This alkaline fluid is rich in bicarbonate ions, which help neutralize the acidic chyme (partially digested food) that enters the small intestine from the stomach. This neutralization is important for maintaining the optimal pH for the activity of pancreatic enzymes.
In summary, enteroendocrine cells in the intestinal glands release cholecystokinin (CCK) and secretin. These secretions are crucial for proper digestion and absorption of nutrients in the gastrointestinal tract.
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