??????? ??? ??? ?? ??? ???? ?? ???? ????? ???. ?? ?? ??? ???? ?? ?? ? ?? ?????, ??? ??? ?????? ????? ^^??? ??? ???? ????(?? ??)? ?/? ???? ??? ??? ?? ??? ???? ????? ??? ? ??, ?? ??? ?? ??? ?? ?? ??? ?? ?? ??? ??? ??? ??? ?????? ?? ??? ?? ????.?????????? ??? ????? ??, ??????? ??? ???? ?????. ??? ?? ?? ????? ??? ??? ?? ??? ???. ??? ?? ?? ????? ??? ???

???? ? ??? ??? ???? ?? ???, ??? ?? ?? ??? ?? ????? ??? ? ? ????.????? ?? ?? ????? ??? ?? ???? ??? ??? ??? ??? ? ????.???? ?? ??? ??? ???? ??? ???? ???? ???? ??? ????.?? ???? ?????, ???? ????????? ??? ????? ??? ?????? ?? ??, ??? ???? ????? ???? ?? ?? ??? ? ? ?? ??? ???.??? ???? ???? ???? ??? ?? ??? ?? ?? ??? ??? ? ? ??, ??? ???? ??? ???? ???. ???? ?

The second is undoubtedly an in vivo approach. This technique concentrates on injecting stem cells into disinfected root channels once the opening in the in vivo apex.Human embryonic stem cells (hESCs) are derived within the ICM. All through the whole process of embryogenesis, cells type aggregations referred to as germ levels: endoderm, mesoderm a

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?? ? ??? ???? ? ???? ???? ??? ??? ??? ??? ?? ??? ????.??? ???? ?? ?? ?? ?? ?? ??? ??? ?? ???? ????.?? ? ??: ??? ??? ??, ???, ?? ? ??? ?? ???? ?????. ??? ???? ??? ??? ??? ????, ???? ??? ?? ??? ???? ????.??? ??? ????? ????? ?????? ???? ?? ????? ???? ??? ??? ?? ???? ,???? ????? ???? ???? ??? ???? ??? ?? ??? ?? ???? ?? ??? ? ? ???? ???? ??? ? ??????.??