autoimmune

Rheumatoid arthritis is an autoimmune condition in which the body attacks its own joint tissue.类风湿关节炎是一种自身免疫性疾病，患者的身体会攻击自身的关节组织。

The prevalence of autoimmune disorders appears to be increasing in industrialised nations.工业化国家的自身免疫性疾病患病率似乎正在上升。