complement-fixing reaction
1complement fixation — n the process of binding serum complement to the product formed by the union of an antibody and the antigen for which it is specific that occurs when complement is added to a mixture (in proper proportion) of such an antibody and antigen * * *… …
2Wassermann reaction — n the complement fixing reaction that occurs in a positive complement fixation test for syphilis using the serum of an infected individual * * * formerly, the most commonly used test for the diagnosis of syphilis. A sample of the patient s blood… …
3wassermann reaction — noun Usage: usually capitalized W Etymology: after August von Wassermann died 1925 German bacteriologist : a complement fixing reaction occurring with the serum of syphilitic patients and used as a test for syphilis, being ordinarily made by… …
4complement fixation — n. Immunology the fixing of complement into the product of an antigen antibody reaction: used as an infection indicator in certain serologic tests that measure the presence or absence of free, active complement …
5Wassermann reaction — noun Etymology: August von Wassermann Date: 1911 the complement fixing reaction that occurs in a positive complement fixation test for syphilis …
6Wassermannreaction — Was·ser·mann reaction (wäʹsər mən) n. A complement fixing reaction to the Wassermann test. * * * …
7antibody — An immunoglobulin molecule produced by B lymphoid cells with a specific amino acid sequence evoked in humans or other animals by an antigen (immunogen). These molecules are characterized by reacting specifically with the antigen in some… …
8Polyclonal antibodies — This article deals exclusively with the production of antibodies in vivo. For its medical and biological applications, see Antiserum. Polyclonal antibodies (or antisera) are antibodies that are obtained from different B cell resources. They are a …
9test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
10fixation — 1. The condition of being firmly attached or set. 2. In histology, the rapid killing of tissue elements and their preservation and hardening to retain as nearly as possible the same relations they had in the living body. SYN: fixing. 3. In… …