fixation du complément
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 * * *… …
2COMPLÉMENT (immunologie) — Avec les anticorps, le complément représente l’élément essentiel du système humoral de défense contre les agents infectieux. Il se compose d’une vingtaine de protéines circulantes capables d’interagir avec certaines membranes biologiques.… …
3complement deviation — inhibition of complement fixation or complement mediated immune hemolysis in the presence of excess antibody. Called also Neisser Wechsberg phenomenon …
4Complement fixation test — Diagnostics MeSH D003168 The complement fixation test is an immunological medical test that can be used to detect the presence of either specific antibody or specific ant …
5complement-fixation test — n a diagnostic test for the presence of a particular antibody in the serum of a patient that involves inactivation of the complement in the serum, addition of measured amounts of the antigen for which the antibody is specific and of foreign… …
6complément — [ kɔ̃plemɑ̃ ] n. m. • 1308; de l a. fr. complir « remplir »; repris 1690; lat. complementum, de complere « remplir » 1 ♦ Ce qui s ajoute ou doit s ajouter à une chose pour qu elle soit complète. ⇒ achèvement, couronnement. Le complément est… …
7complement 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 …
8fixation — 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… …
9complement fixation — noun an immune response in which an antigen antibody combination inactivates a complement (so it is unavailable to participate in a second antigen antibody combination) • Hypernyms: ↑immune response, ↑immune reaction, ↑immunologic response * * *… …
10complement-fixing antibody — antibody that activates complement when reacted with antigen; IgM and IgG (the usual complement fixing antibodies) fix complement by the classical pathway, whereas IgA fixes complement by the alternative pathway. See also complement fixation,… …