Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease, which has as its primary target, the synovial tissues and articular cartilage.
类风湿关节炎是一种慢性全身性自身免疫病，其主要受累部位是滑膜组织和关节软骨。
Wound and various kinds of disease caused articular cartilage defect are influencing patient's quality of life.
创伤和各种疾病引起的关节软骨缺损对患者生活质量影响很大。
Articular cartilage injury is a severe disease, which has low self-repair capability due to shortage of blood supply.
关节软骨损伤是一种严重的疾病，由于缺乏血液供应，使得软骨组织的自修复能力极低。
应用推荐