再生障碍性贫血(以下简称再障)是一组骨髓造血功能衰竭,全血细胞减少为主要临床表现的综合征。再障发病的根本在骨髓造血干细胞的衰竭,其损伤可由致病因子直接作用或损害骨髓微循环而造成。近年来,通过动物实验性再障、活体骨髓结构与功能、红细胞动力 Aplastic anemia (hereinafter referred to as aplastic anemia) is a group of bone marrow hematopoietic failure, pancytopenia as the main clinical manifestations syndrome. Aplastic anemia is the fundamental failure of bone marrow hematopoietic stem cells, the damage can be caused by the direct effect of pathogenic factors or damage to bone marrow microcirculation. In recent years, animal experimental aplasia, living bone marrow structure and function, erythrocyte motility