哺乳类母代与子代之间物质交换是通过胎盘进行的,但双方保持相当的独立性.近年来,已证实人胎儿淋巴细胞通过胎盘进入孕妇的血液.在其他哺乳类,如猪、牛和兔等也都有同样的发现.既然胎儿细胞可通过胎盘进入母体,那么母体的淋巴细胞或白血病细胞是否也可以通过胎盘进入胎儿体内,并引起母子代之间白血病的直接感染?尽管至今国内外发现一些白血病母子代传递的家族,但这种母子代相继发病的机制仍不清楚.为了证实胎盘的细 The exchange of matter between the mother and the offspring of the mother is carried out through the placenta, but both remain fairly independent and human fetal lymphocytes have been shown to pass through the placenta into the bloodstream of pregnant women in recent years. In other mammals, such as pigs, cattle And rabbits also have the same discovery.While fetal cells can enter the mother through the placenta, then the mother’s lymphocytes or leukemia cells can also enter the fetus through the placenta and cause direct infection between mother and child on behalf of leukemia? Although the domestic Outside the discovery of some leukemia mother and child transmission of the family, but the pathogenesis of this mother and child have been unclear .In order to confirm the fineness of the placenta