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autoimmune

[aw-toh-i-myoon]
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adjective Immunology.
  1. of or relating to the immune response of an organism against any of its own tissues, cells, or cell components.
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Origin of autoimmune

First recorded in 1950–55; auto-1 + immune
Related formsau·to·im·mu·ni·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for autoimmune

autoimmune

adjective
  1. (of a disease) caused by the action of antibodies produced against substances normally present in the body
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Derived Formsautoimmunity, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for autoimmune

adj.

1952, from auto- + immune.

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Online Etymology Dictionary, © 2010 Douglas Harper

autoimmune in Medicine

autoimmune

(ô′tō-ĭ-myōōn)
adj.
  1. Of or relating to an immune response by the body against one of its own tissues, cells, or molecules.
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Related formsau′to•im•muni•ty n.au′to•im′mu•ni•zation (-ĭm′yə-nə-zāshən) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.