Erythropoietin (EPO) is the main growth stimulating factor under physiological conditions of organism and when regulating the generation of red corpuscle after loss of blood.

• 红细胞生成素是机体生理条件下以及失血后调控红细胞生成的主要生长刺激因子,在机体红细胞生成中具有重要作用。