Normal·GI·Pancreas
Pancreas — exocrine acini + endocrine islet
Stain: H&E·Magnification: 20x·Tissue: Mixed exo/endocrine·3 labeled regions
Wikimedia Commons · File:Langerhanssche Insel.jpg · https://commons.wikimedia.org/wiki/File:Langerhanssche_Insel.jpg (CC-licensed)
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Dark-pink zymogen-rich acini dominate; pale-staining islets of Langerhans sit scattered among them — endocrine cells producing insulin (β), glucagon (α), somatostatin (δ).
Labeled regions (3)
- 1Acinus (exocrine)
Cluster of pyramidal cells with apical zymogen granules.
- 2Islet of Langerhans
Pale, well-circumscribed cluster — endocrine pancreas.
- 3Intercalated duct (centroacinar cell)
Light-staining cell at center of acinus; secretes HCO3â».
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