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Immune

Immune. Plasma B Cell. Antigen Antibody MCHII Macrophage Memory B Cell B Cell T Cell MCHI Killer T/Cytotoxic T. Helper T Cell. The Players…. Antigen enters body U se antibodies to fight (they will be produced by the body and dock to antigen)

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Immune

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  1. Immune

  2. Plasma B Cell • Antigen • Antibody • MCHII • Macrophage • Memory B Cell • B Cell • T Cell • MCHI • Killer T/Cytotoxic T Helper T Cell The Players….

  3. Antigen enters body • Use antibodies to fight (they will be produced by the body and dock to antigen) • Marks antigen and makes antigen stop doing their job Specific Immunity

  4. Body is destroying antigen that is free floating • B Cells have antibody and MCHII receptors. • Antibody attaches to antigen • Takes antigen in and breaks it apart • Sends a piece of it to MCHII receptor • Plasma B Cells Produce antibodies against antigen • Produce Memory B cells to remember antigen “for life” Humoral

  5. A macrophage eats an antigen • The antigen is presented on the surface (MHCII) • T helper with antibody bonds to MHCII • T helper activates cytotoxic T cell • Cytotoxic T patrol body for other infected cells (Infected cells have antigen on MHCI receptor) • Cytotoxic T will release an interferon and tumor necrosis factor (I- slows down reproduction) (N causes apoptosis) • Memory T cells made Cell Mediated

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