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Medical Term:


Pronunciation: i'so-an'ti-bod-e


  1. An antibody that occurs only in some individuals of a species and reacts specifically with a particular foreign isoantigen. For specific isoantibodies of blood groups, see Blood Groups Appendix.
  2. Sometimes used as a synonym of alloantibody.

[G. isos, equal]

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