An agglutinating autoantibody.
- anti- Pr cold a. a cold a. specific for the Pr (protease-sensitive) antigen of erythrocytes.
- cold a. an antibody that agglutinates particulate antigens ( i.e., bacteria) at temperatures below 37°C, often most actively at 4°C; most are the IgM class of immunoglobulins with affinity for the Ii system of erythrocyte antigens, but some are anti-Pr cold autoagglutinins; cold autoagglutinins may be associated with infection ( e.g., primary atypical pneumonia, infectious mononucleosis and other virus infections, certain protozoan infections) and in such instances usually are not active in vivo.

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au·to·ag·glu·ti·nin -ə-'glüt-ən-ən n an antibody that agglutinates the red blood cells of the individual producing it compare COLD AGGLUTININ

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au·to·ag·glu·ti·nin (aw″to-ə-glooґtĭ-nin) an autologous serum factor with the property of agglutinating the individual's own cellular elements.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Autoagglutinin — Au|to|ag|glutini̱n [↑Agglutinin] s; s, e (meist Mehrz.): ↑Autoantikörper mit ↑agglutinierenden Eigenschaften …   Das Wörterbuch medizinischer Fachausdrücke

  • autoagglutinin — au·to·agglutinin …   English syllables

  • autoagglutinin — “+ noun ( s) Etymology: aut + agglutinin : an antibody that agglutinates the red blood cells of the individual that produces it compare cold agglutinin …   Useful english dictionary

  • autoantibody — Antibody occurring in response to antigenic constituents of the host s tissue against self antigen, and which reacts with the inciting tissue component. antiidiotype a. SYN: idiotype a..antiidiotype antibody. cold a. an a. that reacts at… …   Medical dictionary

  • 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… …   Medical dictionary

  • autothromboagglutinin — au·to·throm·bo·ag·glu·ti·nin (aw″to throm″bo ə glooґtĭ nin) a platelet autoagglutinin …   Medical dictionary

  • αυτο- — [ΕΤΥΜΟΛ. < αυτός. Ο τ. χρησιμεύει ως α συνθετικό πολλών λέξεων της αρχαίας μεσαιωνικής και νέας Ελληνικής, με ιδιαίτερη επίδοση στη μεθομηρική και όψιμη Ελληνική καθώς και στη Νεοελληνική. Κατά τη σύνθεση, ο τ. εμφανίζεται κανονικά με έκθλιψη… …   Dictionary of Greek

  • aut- — combining form or auto Etymology: Greek, from autos; perhaps akin to Latin aut or more at eke 1. a. : self …   Useful english dictionary

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