cell mediated immune response

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    • cell meditated response: involves specialised white blood cells, called T-lymphocytes, which target pathogens inside and outside cells
    • humeral response: involves specialised white blood cells called B-lymphocytes which target pathogens by producing antibodies
    • phagocytosis is a non specific response
    • plasma cells: secrete antibodies (primary response)
    • memory cells: secondary response
    • phagocytes: engulphs pathogens
      • destroys pathogens using lysosomes
      • the become APCs
    • APC: present pathogenic antigens on its own cell membrane, signalling T-lymphocytes
    • T-helper: stimulates
      • cytotoxic T cells
      • B cells
      • phagocytosis
      • memory T cells
    • cytotoxic T cell: kill infected cells through the release of an enzyme that kills the cell
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