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definitions

autoallergy

[ô′tō-ăl′ər-jē]
n.
  1. An altered reactivity in which autoantibodies are produced against one's own tissues, causing a destructive rather than a protective effect.
Related formsau′to•al•ler′gic (ə-lûr′jĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.