#antibody  any of a large variety of immunoglobulins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
  supertype:  #immunoglobulin__Ig__immune_serum_globulin__immune_gamma_globulin__immune_globulin  a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
  part:  #active_site
  subtype:  #autoantibody  an antibody acting against tissues of the organism that produces it
     subtype:  #rheumatoid_factor  autoantibody that is usually present in the serum of people with rheumatoid arthritis
  subtype:  #precipitin  an antibody that causes precipitation when it unites with its antigen
  subtype:  #ABO_antibodies  blood type antibodies
  subtype:  #Rh_antibody  rhesus factor antibody
  subtype:  #antitoxin  an antibody that can neutralize a specific toxin
     subtype:  #antivenin__antivenene  an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal
     subtype:  #tetanus_antitoxin__tetanusantitoxin  antitoxin given for short-term immunization against tetanus in cases of possible exposure to the tetanus bacillus
  subtype:  #agglutinin  an antibody that causes agglutination of a specific antigen
     subtype:  #isoagglutinin  an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species
  subtype:  #heterophil_antibody__heterophile_antibody__heterophileantibody__forssmanantibody  an antibody found in the blood of someone suffering from infectious mononucleosis
  subtype:  #isoantibody__alloantibody  an antibody that occurs naturally against foreign tissues from a person of the same species
  subtype:  #monoclonal_antibody  any of a class of antibodies produced in the laboratory by identical offspring of a hybridoma; very specific for a particular location in the body
  subtype:  #opsonin  an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes

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