antibody

1. Any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response (synset 115051756)
   is a type of: protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
   subtypes:

   • autoantibody - an antibody acting against tissues of the organism that produces it
   • precipitin - an antibody that causes precipitation when it unites with its antigen
   • abo antibodies - blood type antibodies
   • rh antibody - rhesus factor antibody
   • antitoxin - an antibody that can neutralize a specific toxin
   • agglutinin - an antibody that causes agglutination of a specific antigen
   • forssman antibody, heterophil antibody, heterophile antibody - an antibody found in the blood of someone suffering from infectious mononucleosis
   • alloantibody, isoantibody - an antibody that occurs naturally against foreign tissues from a person of the same species
   • monoclonal, monoclonal antibody - any of a class of antibodies produced in the laboratory by a single clone of cells or a cell line and consisting of identical antibody molecules
   • opsonin - an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes
   • ig, immune gamma globulin, immune globulin, immune serum globulin, immunoglobulin - a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
   has: active site - the part of an enzyme or antibody where the chemical reaction occurs

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