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25 Cards in this Set
- Front
- Back
Most abundant, 80% in blood
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Ig G
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found in: blood, lymph, intestines
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IgG
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monomer
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IgG, IgD, IgE, IgA
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enhances phagoctyosis, neutralizing toxins, and triggering the complement system in order to protect against bacteria and viruses
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IgG
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only antibody crosses from mother to fetus; helps immune protection in infants
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IgG
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Found in sweat, tears, saliva, mucus, breast milk, and GI secretions; smaller amounts found in blood and lymph
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IgA
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10 -15% antibodies in blood
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IgA
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monomers and dimers
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IgA
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levels decrease during stress resulting in lower resistance to infection
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IgA
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provides localized protection of mucous membranes against bacteria and viruses
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IgA
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5-10% anitbodies in blood
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IgM
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found in blood and lymph
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IgM
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pentamers
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IgM
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first antibody to be secreted by plasma cells after an initial exposure to an antigen
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IgM
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activates complement
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IgM
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causes agglutination (clumped microbes easier to eat) and lysis of microbes
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IgM
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monomers on surface of B cells act as antigen receptors
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IgM
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in blood plasma, the anti-A and anti-B antibodies of ABO blood group, which bind to A and B antigens during incompatible blood transfusions are these antibodies
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IgM
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found in surface of B cells as antigen receptors
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IgD
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involved in activation of B cells
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IgD
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0.2% of antibodies in blood
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IgD
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less than 0.1% of anitbodies in blood
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IgE
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found in mast cells and basophils
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IgE
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involved in allergic and hypersensitivity reactions
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IgE
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protects against parasitic worms
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IgE
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