autoagglutinin

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autoagglutinin

[¦ȯd·ō·ə′glüt·ən·ən]
(immunology)
An antibody in an individual's blood serum that causes agglutination of his own erythrocytes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.