胸腺是机体的中枢免疫器官,其分泌的激素等介质对免疫学功能的发挥具有重要意义。目前已从胸腺提取得到了具有免疫增强作用的多种激素和免疫抑制作用的因子,说明胸腺内同时存在或分泌在功能上相异或相对立的两类因子,它们对细胞免疫功能起平衡和调节作用。如果将此两类因子提取并加以分离,对于纠正临床上各种免疫 Thymus is the body’s central immune organs, and its secretion of hormones and other media play an important role in the immunological function. So far, many hormones with immunopotentiating effect and immunosuppressive factors have been extracted from the thymus, indicating that there are two kinds of functionally different or antagonistic factors in the thymus simultaneously, which balance the immune function of cells Regulatory effect. If these two types of factors extracted and separated, to correct clinically various immune