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神经组织是高度分化的组织,长期以来人们一直认为哺乳动物中枢神经系统 (centralnervoussystem,CNS)组织的再生仅限于胚胎时期和出生后不久,而成年时期神经组织则几乎不能再生,CNS一旦发育成熟就很难在受到外伤和发生某些疾病时进行自我修复。干细胞的发现打破了神经组织不
Nerve tissue is a highly differentiated tissue. It has long been believed that the regeneration of mammalian central nervous system (CNS) tissue is restricted to embryonic and postnatal periods, whereas neural tissue in adult is barely regenerated. Once CNS has matured It is difficult to self-repair in the face of trauma and certain diseases. The discovery of stem cells breaks the nerve tissue