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Friday, 31 August 2018

Function of Pancreas in Digestive System




Function of the Pancreas In Digestion


The pancreas is an organ that lies ventral to the stomach and consist of both endocrine and exocrine functions.

 The function exocrine cells in the pancreas secrete digestive enzymes into the pancreatic duct, which unite with the hepatic duct from the liver to form a common bile duct that enters the duodenum. Pancreatic enzymes complete the digestion of carbohydrates and proteins and initiate the digestion of lipids. Trypsin, carboxypeptidase, and chymotrypsin digest proteins into small peptides and individual amino acids.

 Pancreatic lipases split triglycerides into smaller, absorbable glycerol and free fatty acids. Pancreatic amylase converts polysaccharides into disaccharides and monosaccharides.

The pancreas also secretes bicarbonate (HCO3) ions that help neutralize the acidic food residue coming from the stomach. Bicarbonate raises the pH from 2 to 7 for optimal digestion. Without such neutralization, pancreatic enzymes could not
function.

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