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complement fixation

noun, Immunology.
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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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complement fixation in Medicine

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.
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