complement fixation test

noun

Medical Definition of complement fixation test

: a diagnostic test for the presence of a particular antibody in the serum of a patient that involves inactivation of the complement in the serum, addition of measured amounts of the antigen for which the antibody is specific and of foreign complement, and detection of the presence or absence of complement fixation by the addition of a suitable indicator system — compare wassermann test

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“Complement fixation test.” The Merriam-Webster.com Medical Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/medical/complement%20fixation%20test. Accessed 6 December 2019.

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