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Encyclopedia > Pancreatic juice

Pancreatic juice is a juice produced by the pancreas. It contains a variety of enzymes. They include trypsinogen, chymotrypsinogen,elastase,carboxypeptidase, pancreatic lipase, and amylase. The pancreas is an organ in the digestive and endocrine system (of vertebrates[2]). It is both exocrine (secreting pancreatic juice containing digestive enzymes) and endocrine (producing several important hormones, including insulin, glucagon, and somatostatin). ... Neuraminidase ribbon diagram An enzyme (in Greek en = in and zyme = blend) is a protein, or protein complex, that catalyzes a chemical reaction and also controls the 3D orientation of the catalyzed substrates. ... Trypsinogen (EC 3. ... Chymotrypsinogen is a precursor of the digestive enzyme chymotrypsin (zymogen). ... Pancreatic lipase is an enzyme (more specifically, a lipase) secreted from the pancreas that uses hydrolysis to break apart fat molecules. ... Amylase is the name given to glycoside hydrolase enzymes that break down starch. ...

Pancreatic juice is alkaline in nature due to the high concentration of bicarbonate ions. This is useful in neutralizing the acidic gastric acid, allowing for effective enzymic action.

Pancreatic juice secretion is regulated by the hormone secretin, which is released by the duodenum upon detection of proteins and fats. Pancreatic secretion consists of an aqueous bicarbonate component from the duct cells and enzymatic component from the acinar cells Norepinephrine A hormone (from Greek όρμή - to set in motion) is a chemical messenger from one cell (or group of cells) to another. ... Secretin is a peptide hormone produced in the S cells of the duodenum. ... In anatomy of the digestive system, the duodenum is a hollow jointed tube connecting the stomach to the jejunum. ...

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  Results from FactBites:
p010221a - Pancreatic Cancer - Early Detection (1010 words)
Title: Diagnosis of pancreatic cancer by cytology and measurement of oncogene and tumor markers in pure pancreatic juice aspirated by endoscopy.
Abstract: BACKGROUND/AIMS: Cytological examination of pancreatic juice is useful in the diagnosis of an occult cancer of the pancreas.
CONCLUSIONS: Cytological examination of pancreatic juice is useful in the diagnosis of an early and potentially curable in situ cancer of the pancreas.
  More results at FactBites »



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