?? ??? ???? ?? ??? ?????. ??? ? ?? ????? + ???Stem cells are often called "undifferentiated" cells mainly because they haven't yet devoted to a developmental path which will sort a particular tissue or organ. The whole process of shifting into a specific cell style is called differentiation.Despite the fact that We now have circuitously examined n

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

“??? ???? ??? ???? ? ? ? ??? ?? ?????. ?? ????? ??? ??? ??? ??? ? ??? ?? ?? ????? ?????? ???? ?? ?????.???? ????? ???? ???? ? ??? ? ??? ??? ??? ???? ??? ??? ?? ?? ? ??? ???? ????.? ???? ?????? ??? ????? ?? ?? ???? ? ???? ??? ??? ??? ???? ???? ??? ????.?????. ?? ?? ??? ?? ?? ????? ??? ?????. ??? ?? ??????.?? ??? ??? ??? ??? ?? ???? ???? ???? ?????

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

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