Facilitate intestinal absorption of calcium and phosphorus Promote renal reabsorption of phosphorus Direct effect on bone deposition and reabsorption of calcium and phosphorus Maintain calcium and phosphorus homeostasis
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, hematuria and proteinuria