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Pronunciation: re-a'jin


  1. Wolff-Eisner term for antibody.
  2. Old term for the “Wassermann” antibody; not to be confused with the Prausnitz-Küstner antibody.
  3. Antibodies that mediate immediate hypersensitivity reactions (IgE in humans).

Synonym(s): homocytotropic antibody

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.