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As an example, Medical doctors have previously utilised stem cells from just beneath the pores and skin’s area to produce new skin tissue. They might then mend a intense melt away or An additional personal injury by grafting this tissue onto the destroyed skin, and new pores and skin will grow back again.???????, ??????, ??????, ??????? ?? ?? ???

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???? ??? ?? ????? ??????? ??? ?? ??? ????? ???? ????????? ?? ????? ????? ?? ???? ???? ???? ???? ????? ????? ?? ???? ??? ?? ??? ?? ???? ???? ????????? ????? ??? ??? ?? ????? ???? ???? ???? ????? ?????? ???? ???? ??? ???? ??? ???? ?? ?? ????? ???? ?????? ?? ?????? ???? ???? ???? ??? ???? ????? ????.??? ????? ?? ?? ????? ???? ??? ???? ?????. ?? ??? ??