Autoimmunity is when the immune system mistakenly attacks the body's own cells and tissues, causing autoimmune diseases.
Autoimmunity is a condition where the immune system mistakenly attacks normal body cells and tissues, leading to autoimmune diseases. This occurs due to a loss of immune tolerance, with mechanisms including type II, III, and IV hypersensitivity reactions. Examples of autoimmune diseases include myasthenia gravis and systemic lupus erythematosus.
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