Phagocyte and Related cells

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6 Terms

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Neutrophils

Most abundant WBC

First responders to infection

Short lived

Strong at killing bacteria and infection

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  • Macrophages

  • Long lived, develop from monocytes

  • Found in tissues(liver, lung,brain)

  • Destroy microbes and clear debris

  • Present antigens to T-Cells

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Monocytes

  • Circulating blood cells

  • Precursor to macrophages and dendritic cells

  • Migrate into tissues and differentiate

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  • Dendritic cells

  • Specialized antigen-presenting phagocytes

  • Bridge innate and adaptive immunity

  • Less focused on killing, more on activating T cells

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Eosinophils

  • Limited phagocytosis

  • Attack parasites

  • Release toxic proteins and enzymes

  • Allergy role

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Basophils

Release histamine and heparin during allergic/ inflammatory reactions