Ig Antibodies

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Last updated 3:58 AM on 7/1/26
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6 Terms

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Name the 5

IgG, IgM, IgA, IgD, & IgE

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IgG

  • Monomer -In blood, lymph, & intestine

  • 80% of serum antibodies        -  Cross placenta

  • Fix complement

  • - enhance phagocytosis; neutralize toxic & viruses; protect  fetus & new born

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IgM antibodies 

  • Prentamer -6% of serum antibodies

  • Fix complement - Remain in blood vessels 

  • Agglutinate microbes; first Ab produced in response to infection

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IgA Antibodies

  • Dimer -13% of serum antibodies 

  • In secretions - mucosal protects 

*secretions like mucous membranes, saliva, tears, & breast milk

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IgD Antibodies

  • Monomer - 0.02% of serum antibodies 

  • In blood, in lymph, & on B cells

  • No well defined function; assists in the immune response on B cells

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IgE Antibodies

 

  • Monomer -0.0002% of serum antibodies 

  • On mast cells & basophiles, in blood 

  • Allergic reaction; lysis of parasitic worms