Eosinophilic granulocyte

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Eosinophilic granulocytes  (eosinophils) are white blood cells,that are classified as granulocytes ) (along with neutrophils and basophils  ). Eosinophils make up 1-3% of the total number of white blood cells. They have a bilobed nucleus and dark pink granules in their cytoplasm. They play an important role in allergic reactions (they phagocytose the allergen-antibody complex) and in protection against parasitic diseases (they release substances that damage parasites from their granules).