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Normal·GI·Pancreas

Pancreas — exocrine acini + endocrine islet

Stain: H&E·Magnification: 20x·Tissue: Mixed exo/endocrine·3 labeled regions
Pancreas — exocrine acini + endocrine islet histology — GI, Pancreas, H&E
Wikimedia Commons · File:Langerhanssche Insel.jpg · https://commons.wikimedia.org/wiki/File:Langerhanssche_Insel.jpg (CC-licensed)
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Description

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)

  1. 1
    Acinus (exocrine)

    Cluster of pyramidal cells with apical zymogen granules.

  2. 2
    Islet of Langerhans

    Pale, well-circumscribed cluster — endocrine pancreas.

  3. 3
    Intercalated duct (centroacinar cell)

    Light-staining cell at center of acinus; secretes HCO3⁻.

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