complement fixation

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

Origin of complement fixation

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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complement fixation in Medicine

complement fixation

n.
  1. 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.
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