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complement-fixation test


Definition: an immunologic test for determining the presence of a particular antigen or antibody when one of the two is known to be present, based on the fact that complement is “fixed” in the presence of antigen and its specific antibody.

See Also: Bordet-Gengou phenomenon

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.