traditionally, the terms "embryonic" and "adult|more adult}" are used to distinguish stem cells by the stage of development of the animal if they originated, however similar terms already becoming insufficient, because has shown/demonstrated how to transform fully differentiated adult cells back to embryonic stem cells and vice versa, to adult stem cells. cells, more correctly called "somatic" stem cells, what is means "from intestines, tissues and circulatory system", are in large fetus, placenta, umbilical cord blood and infants.2 with this, https://StemCellsBudget.com/ in current review, stem cells will be divided into two categories depending on their biological properties - pluripotent stem cells and multipotent stem cells.