complement fixation

noun

Immunology.

1. the binding of complement to immune complexes or to certain foreign surfaces, as those of invading microorganisms.

Word History and Origins

Origin of complement fixation¹

First recorded in 1905–10

Example Sentences

At a later period, however, the complement fixation test is almost invariably positive.

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The Committee made inquiries from competent witnesses as to the present position of the complement fixation test in gonorrhœa.

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The complement fixation tests were all performed in duplicate as a check on any possible errors in technique.

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