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Granulocyte

Granulocytes are a type of white blood cell that has small granules. These granules contain proteins. The specific types of granulocytes are neutrophils, eosinophils, and basophils.

Granulocytes, specifically neutrophils, help the body fight bacterial infections. The number of granulocytes in the body usually increases when there is a serious infection. People with a lower number of granulocytes are more likely to develop bad infections more often.

Granulocytes are counted as part of a white blood cell differential test.

References

Hall JE. Resistance of the body to infection: I. leukocytes, granulocytes, the monocyte-macrophage system, and inflammation. In: Hall JE, ed. Guyton and Hall Textbook of Medical Physiology. 13th ed. Philadelphia, PA: Elsevier; 2016:chap 34.

  • Granulocyte

    Granulocyte - illustration

    A granulocyte is a type of white blood cell that includes neutrophils, eosinophils, and basophils.

    Granulocyte

    illustration

    • Granulocyte

      Granulocyte - illustration

      A granulocyte is a type of white blood cell that includes neutrophils, eosinophils, and basophils.

      Granulocyte

      illustration

    Tests for Granulocyte

     
     

    Review Date: 1/19/2019

    Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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