リウマチ性せい関かん節せつ炎えん

noun

rheumatoid arthritis

Medical term for a chronic autoimmune disease causing joint inflammation and deformity.

• リウマチ性せい関かん節せつ炎えんは免めん疫えき系けいの異い常じょうによって起おこります。

  Rheumatoid arthritis is caused by an abnormality in the immune system.