Pancreatic secretion

The human pancreas is a large gland, often more than 20 cm long, which secretes approximately 1 litre of pancreatic juice per day. The pancreatic juice has two major components: (i) alkaline fluid and (ii) enzymes. At all rates of secretion pancreatic juice is isotonic with extracellular fluid. The pancreatic acinar cells synthesize and secrete the majority of the enzymes which digest food. All the pancreatic proteases are secreted as inactive enzyme precursors and are converted to the active form in the lumen, whereas pancreatic amylase and lipase are secreted in active forms. The secretion of the aqueous phase and the bicarbonate component is largely regulated by the pH of the chyme delivered into the small intestine from the stomach. The secretion of pancreatic enzymes is primarily regulated by the amount of fat and protein entering the duodenum.

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Blood Pressure Health

Blood Pressure Health

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