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An inactive substance secreted by the pancreas, from which the digestive enzyme trypsin is formed in the duodenum.
- ‘Examples of important proenzymes include pepsinogen, trypsinogen and chymotrypsinogen, which give rise to the proteolytic digestive enzymes.’
- ‘Mesotrypsinogen comprises a minor portion of the total trypsinogen protein in the pancreas.’
- ‘Trypsin also activates trypsinogen as well as all the other proenzymes in the pancreatic secretion, producing the active proteases and peptidases that hydrolyze dietary polypeptides.’
- ‘As trypsinogen is secreted into the duodenum, it is changed into trypsin by enterokinase.’
- ‘Hypercalcemia increases calcium, which is believed to activate trypsinogen.’
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