complement fixation

complement fixation

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

Origin:
1905–10

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American Heritage
Medical Dictionary

complement fixation n.
The binding of active complement to a specific antigen-antibody pair used in diagnostic tests, such as the Wasserman test, to detect the presence of a specific antigen or antibody.

The American Heritage® Stedman's Medical Dictionary
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