3rd Line of Defense

3rd Line of Defense - 3rd Line of Defense immune response -...

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3rd Line of Defense immune response - 3rd line of defense vaccination - infecting harmless virus in order to improve resistance antigen - molecule provoking a specific immune response o usually foreign to body o antigenic determinant site - parts of antigen that stimulates an immune response antibodies - response to antigens o created by B cells (made/mature in bone marrow) o secreted into body fluid >> humoral immunity o T cells (mature in thymus) directly attack the cells >> cell-mediated immunity exposed to pathogen, gaining immunity >> active immunity gaining antibodies from someone else >> passive immunity starting the immune response - MHC proteins on cell surface proteins created y major histocompatibility complex serves as cellular fingerprint >> body can distinguish between its cells + foreign cells >> self-versus-nonself recognition antigen-presenting cells - partially digests microbes, moves their antigens to the surface o lets T cells recognize the antigens
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3rd Line of Defense - 3rd Line of Defense immune response -...

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