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干细胞是在生命的生长和发育中起“主干”作用的原始细胞,具有自我更新、高度增殖和多向分化的潜能。干细胞按分化潜能的大小主要分为三类:全能干细胞、多能干细胞、专能干细胞。
Stem cells are primitive cells that play a “backbone” role in the growth and development of life and have the potential of self-renewal, highly proliferation and multidirectional differentiation. Stem cells according to the size of the potential for differentiation can be divided into three categories: pluripotent stem cells, pluripotent stem cells, pluripotent stem cells.