《英文msh词典》Arthritis,Rheumatoid
[主题词] Arthritis,Rheumatoid
[同义词] Rheumatoid Arthritis
[中文释义] 关节炎,类风湿
[英文释义] A chronic systemic disease,primarily of the joints,marked by inflammatory changes in the synovial membranes and articular structures,widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues,and by atrophy and rarefaction of bony structures. Etiology is unknown,but autoimmune mechanisms have been implicated.