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人体内所有的血细胞都来自造血干细胞(hematopoietic stem cells,HSC)的定向分化。HSC又称多能干细胞,是存在于造血组织中的一群原始造血细胞,有两个重要特性:(1)高度的自我更新或自我复制能力;(2)可定向分化、增殖为不同的血细胞系,并进一步生成血细胞。在胚胎和迅速再生的骨髓中,
All human blood cells come from the directional differentiation of hematopoietic stem cells (HSC). HSC, also known as pluripotent stem cells, is a group of primitive hematopoietic cells that exist in hematopoietic tissue. There are two important characteristics: (1) a high degree of self-renewal or self-replication ability; (2) can be directed to differentiate and proliferate into different blood cell lines , And further generate blood cells. In embryos and rapidly regenerating bone marrow,