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Basophils and mast cells

Size

  • 2-3 times RBC

    Granulocytes

Nucleus

  • Nucleus not visible due to all the granules.....

Functions

  • never leaves the blood vessel
  • release histamine and heparin
graph TD
    A(cytokines from site of injury) -->|activates| B{Basophils release of heparin and histamine};
    B-->|heparin| C[anticoagulant];
    B --> |histamine| D[Vasodiltion];
    C --> X[transport of immune cell to site of injury];
    D -->X;

Mast cells

Similar to Basophils except

-- Located in connective tissue --