autoimmune au·to·im·mune (ô'tō-ĭ-my&oomacr;n')
adj.
Of or relating to an immune response against one of the body's own tissues or cells.
autoimmunity
the state in which the immune system reacts against the body's own normal components, producing disease or functional changes
Learn more about autoimmunity with a free trial on Britannica.com.