1. Nonspecific agglutination or clumping together of cells ( e.g., bacteria, erythrocytes) due to physical and/or chemical factors. 2. The agglutination of red blood cells by specific autoantibody present in one's own serum.
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au·to·ag·glu·ti·na·tion .ȯt-ō-ə-.glüt-ən-'ā-shən n agglutination of red blood cells by cold agglutinins in an individual's own serum usu. at lower than body temperature
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n.
the clumping together of the body's own red blood cells by antibodies produced against them, which occurs in acquired haemolytic anaemia (an autoimmune disease).
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au·to·ag·glu·ti·na·tion (aw″to-ə-gloo″tĭ-naґshən) 1. clumping or agglutination of an individual's cells by their own serum, as in autohemagglutination. 2. nonspecific clumping or agglutination of particulate antigens (e.g., bacteria) that does not involve antibody; an important cause of error in bacterial agglutination tests.
Autoagglutination of erythrocytes.
Medical dictionary. 2011.