cold agglutinin

cold agglutinin
cold agglutinin n any of several agglutinins sometimes present in the blood (as that of many patients with primary atypical pneumonia) that at low temperatures agglutinate compatible as well as incompatible red blood cells, including the patient's own called also cold hemagglutinin compare AUTOAGGLUTININ

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(CA) antibody that agglutinates erythrocytes or bacteria more efficiently at temperatures below 37°C than at 37°C. See cold agglutinin syndrome, under syndrome, and paroxysmal cold hemoglobinuria, under hemoglobinuria.

Medical dictionary. 2011.

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  • Cold agglutinin disease — Classification and external resources Cold agglutination at body temperature, the antibodies do not attach to the red blood cells. At lower temperatures, however, the antibodies react to Ii antigens, bringing the red blood cells together, a… …   Wikipedia

  • cold agglutinin syndrome — the presence of circulating cold agglutinins, usually IgM, which are directed against three types of polysaccharide red cell antigens: I antigens, expressed primarily on adult red cells, i antigens, expressed primarily on cells of fetuses and… …   Medical dictionary

  • cold agglutinin — noun also cold hemagglutinin : any of certain agglutinins present in some bloods (as those of many patients with primary atypical pneumonia) that at low temperatures agglutinate compatible as well as incompatible erythrocytes, including the… …   Useful english dictionary

  • cold agglutinin pneumonia — primary atypical p …   Medical dictionary

  • Cold antibody hemolytic anemia — can refer to: Cold agglutinin disease Paroxysmal cold hemoglobinuria This disambiguation page lists articles associated with the same title. If an internal link led yo …   Wikipedia

  • COLD A — cold agglutinin titer …   Medical dictionary

  • COLD A — • cold agglutinin titer …   Dictionary of medical acronyms & abbreviations

  • cold hemagglutinin — a cold agglutinin (q.v.) that agglutinates red cells …   Medical dictionary

  • cold hemagglutinin — noun see cold agglutinin …   Useful english dictionary

  • agglutinin — 1. An antibody that causes clumping or agglutination of the bacteria or other cells that either stimulated the formation of the a., or contain immunologically similar, reactive antigen. SYN: agglutinating antibody, immune a.. 2. A substance,… …   Medical dictionary

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