exocrine pancreas

exocrine component of pancreas

The part of the pancreas that is part of the exocrine system and which produces and store zymogens of digestive enzymes, such as chymotrypsinogen and trypsinogen in the acinar cells [GO].

Type Gland
Système corporel Digestive
Structure parente serous gland
Nom latin exocrine component of pancreas
FMA ID 16017

Questions fréquentes

What does the exocrine pancreas produce?
The exocrine pancreas produces digestive enzymes in inactive precursor forms called zymogens, including trypsinogen, chymotrypsinogen, proelastase, and prolipase, along with amylase and DNase. These are secreted into the duodenum via the pancreatic duct and activated by intestinal enzymes.
What are acinar cells and what is their role?
Acinar cells are the secretory units of the exocrine pancreas, arranged in grape-like clusters (acini). They synthesize and store zymogen granules containing digestive enzyme precursors and release them in response to hormonal signals (cholecystokinin) and vagal stimulation after a meal.
How is the exocrine pancreatic secretion delivered to the intestine?
Acinar cells secrete enzymes into small intercalated ducts that merge progressively into larger interlobular ducts and ultimately the main pancreatic duct (of Wirsung), which joins the bile duct at the hepatopancreatic ampulla (of Vater) before emptying into the duodenum.

Structures associées

muscularis mucosa gut muscularis musculature of trunk muscle group of trunk cavity of pharynx cavitas pharyngealis oropharyngeal gland gland of oral part of pharynx oropharynx mesopharynx trunk somite palatoglossal arch anterior pillar of fauces muscular coat of digestive tract muscular layer of digestive tract

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.