. Joints of upper limb ) Joints of shoulder girdle 1. Sternoclavicular joint胸锁关节 1)Composition: sternal end of clavicle,clavicular notch of sternum, and the first costal cartilage
概貌 Outline 是一种小血管炎 A kind of vasculitis of small vessels 以皮肤紫癜、关节痛、积液、腹痛、便血、血 尿和蛋白尿为主要临床特征 Characterized clinically by purpura, arthralgia ,articular effusion, abdominal pain, hemafecia