Stem cells are cells that have the ability to self-renew and differentiate to become a myriad of different cell types. They serve as an internal repair system, with the purpose of replenishing or damaged cells. They can be found in various microenvironments within the tissues called stem cell niches cells, some examples of these include include the brain, bone marrow, blood vessels, skin, teeth, heart, amniotic fluid, umbilical cord, etc. Typically, there are only a small number of stem cells in each tissue, and once they are removed their ability to divide and regenerate are limited. Stem cells, biologically, can constantly generate unaltered daughters, as well as have the ability to generate daughter cells will different and more restricted…