Basophils are least common of granulocyte, only composed of to of the circulating white blood cells. These are involved in specific kinds of inflammatory reactions, particularly those which cause allergic reactions and do not exhibit phagocytic activity. Whereas. monocytes migrate from blood stream to tissue and differentiate into resident macrophage, e.g., kupffer cells in liver and neutrophils target bacteria and fungi. Macrophages are also phagocytic in nature.

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