- agglutination reaction
(ah-gloo"tī-na\'shun)The formation of an insoluble immune complex by the cross-linking of cells or particles.
Microbiology. Aard_Wark . 2009.
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agglutination reaction — a positive result on an agglutination test: formation of an aggregate upon mixing soluble antibody with particulate antigen molecules in an aqueous medium; the visible aggregates are formed when specific antibody crosslinks the antigens … Medical dictionary
mixed agglutination reaction — agglutination of a mixture of different cell types by antibody directed against an antigenic determinant present on all of the cells … Medical dictionary
Agglutination (biology) — Agglutination is the clumping of particles. The word agglutination comes from the Latin agglutinare , meaning to glue to. This occurs in biology in three main examples: # The clumping of cells such as bacteria or red blood cells in the presence… … Wikipedia
agglutination — [ aglytinasjɔ̃ ] n. f. • 1537; bas lat. agglutinatio ♦ Action d agglutiner, fait de s agglutiner. ♢ Biol. Immobilisation, réunion et sédimentation des germes d un bouillon de culture en présence d agglutinines. Phénomène analogue observé sur les… … Encyclopédie Universelle
agglutination test — n any of several tests based on the ability of a specific serum to cause agglutination of a suitable system and used in the diagnosis of infections, the identification of microorganisms, and in blood typing compare WIDAL TEST * * * (for presence… … Medical dictionary
reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… … Medical dictionary
agglutination — 1. The process by which suspended bacteria, cells, or other particles are caused to adhere and form into clumps; similar to precipitation, but the particles are larger and are in suspension rather than being in solution. For specific a. reactions … Medical dictionary
agglutination — clumping; n. the sticking together, by serum antibodies called agglutinins, of such microscopic antigenic particles as red blood cells or bacteria so that they form visible clumps. Any substance that stimulates the body to produce an agglutinin… … The new mediacal dictionary
agglutination — noun Date: 1541 1. the action or process of agglutinating 2. a mass or group formed by the union of separate elements 3. the formation of derivational or inflectional words by putting together constituents of which each expresses a single… … New Collegiate Dictionary
agglutination — The clumping together of living cells as a result of a reaction between the cells and an appropriate immune serum … Forensic science glossary