complement fixation


noun Immunology.

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

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Origin of complement fixation

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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Medical definitions for complement fixation

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 Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.