agglutinin

Definitions of agglutinin
  1. noun
    an antibody that causes agglutination of a specific antigen
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    types:
    isoagglutinin
    an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species
    type of:
    antibody
    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
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