Stem cells possess the power to separate into specific kind of cell. The two recognize qualities of these cells are perpetual self-renewal and in this way possess the capacity to separate into a particular adult cell. Mainly two classes of stem cells: pluripotent which will turn out to any cell within the adult body, and multipotent those are confined to turning into a more limited population of cells. Stem cells own an extraordinary possibilities in tissue recovery and repair, however much still must be learned concerning their biology, control and safety before their full therapeutic potential will be accomplished.

Keywords: Stem Cells, Umbilical Cord Blood, Stem Cell Therapy, Transplantation.