agglutination titer

agglutination titer
the highest dilution of a serum that causes agglutination (clumping) of microorganisms or other particulate antigens.

Medical dictionary. 2011.

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  • group agglutination — agglutination, usually to a lower titer, of various members of a group of biologically related organisms or corpuscles by an agglutinin specific for one of that group. For instance, the specific agglutinin of typhoid bacilli may agglutinate other …   Medical dictionary

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  • titre — chiefly Brit var of TITER * * * n. (in immunology) the extent to which a sample of blood serum containing antibody can be diluted before losing its ability to cause agglutination of the relevant antigen. It is used as a measure of the amount of… …   Medical dictionary

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  • serology — The branch of science concerned with serum, especially with specific immune or lytic serums; to measure either antigens or antibodies in sera. [sero + G. logos, study] * * * se·rol·o·gy si räl ə jē …   Medical dictionary

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  • serologic test — a laboratory test involving seroreactions (precipitin reaction, agglutination, complement fixation, etc.), especially one measuring serum antibody titer …   Medical dictionary

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