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Eosinophils

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An eosinophil is a white blood cell with characteristic granules in its cytoplasm and a bilobed nucleus

  • derived from a promyelocyte pluripotent stem cell within the bone marrow
  • eosinophils are capable of phagocytosis
  • predominate on the inner surfaces of the body which have contact with the external environment
  • are involved with immune and allergic reactions
  • represent only 2-5 % of the total leukocyte population
  • are instrumental in the fight against parasites that are too big to be phagocytosed

Reference

  1. Kovalszki A, Weller PF. Eosinophilia. Prim Care. 2016 Dec;43(4):607-617

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