the binding of complement to immune complexes or to certain foreign surfaces, as those of invading microorganisms.
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What does “Indigenous” mean?
Origin of complement fixation
First recorded in 1905–10
Words nearby complement fixation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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Medical definitions for complement fixation
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.