Mediated Immunity

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  • Mediated immunity
    • T Cells
      • Made by stem Cells
      • Activated by thymus gland
      • mainly found in lymphotic system
      • Directly attack pathogens with a specific protein
      • Receptors in membrane recognise antigens and clone themselves
        • They destroy antigens, therefore destroying pathogens
    • B Cells
      • Made by stem cells
      • Activated by antigens attached to macrophage membrane
      • Release antibodies into the lymph and blood
      • Indirectly attacks and multiplies to form clones of itself
      • Combine with antigens forming antigen-antibody substrate complex
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