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Cards In This Set
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Immune response
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Has 2 arms; antibodies and T cells - both protect against infection
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Adaptive immuntiy
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Immuntity acquried from baccienes or prior infections
takes time to respond hoever it last longest
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Humoral immuntiy
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When the antibody is primarily responsible for protection against many bacteria and viruses
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Cell-mediated immunity
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T cell differentiation
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Active immunity
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Produced by an individual after either natural exposure to an antigen or agter immunization - long lived
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Passive immunity
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Occures when preformed antibodies or T cells are transferred from a donor to the recipient
ex pregnancy - only temporary
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Antigen
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A molecule that can react with antibodies or antigen receptors on B and T cells. an antigen that is immunogenic will induce an immune response resulting in the production of antibodies or functional T cells
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Allergens
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Antigens that induce an allergic response
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Antibody
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Immunoglobulin (Ig) a serum glycoprotein produced by mature B cells in response to an antigen
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IgG
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Most abundant Ig found in blood, accounting for most of the protective activity against infection -also major class of antibody fornd in blood of the fetus newborn
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IgA
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Found in blood and body secretions
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IgM
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Largest Ig it is the first antibody produced during the initial response to antigensynthesized during neonatal life
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IgE
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Has very specialized functions as a mediator of manu common allergic resposes and in the defense against parasitic infection
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IgD
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Found in low concentration in the blood
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Functions of antibodies
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Neutralization, agglutination, precipitaion
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