chapter 21 immunoglobulins

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____________ or proteins produced by _ _______ or ________ ____ that bind to a specific _______

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Antibodies or proteins produced by B cell or plasma cell that bind to a specific antigen

Triggered by ______________________

Part of the __________ __________ immune system 

__________ Immunity

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____ __________ secreted by ________ ___ after B cell activation when they have binded with an antigen

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Found in body secretions such as saliva, sweat, intestinal juice, milk

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largest and multiple binding sites, Exists in monomer and pentamer forms

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Helps stop pathogens from attaching to __________ cell surfaces including ___________ ___________ and the epidermis

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Found on B cell surface

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Functions as a B cell antigen receptor

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Most abundant accounts for 75-85% of circulating antibodies

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Protects against bacteria, viruses, and toxins circulating in blood and lymph

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Crosses the placenta and confers passive immunity from the mother to the fetus

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Main antibody of both secondary and late primary responses

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____ ___ binds to _____ ____ or __________

___________ ___ binds to _________ triggering these cells to release ___________ and other chemicals that mediate inflammation and allergic reaction