A straightforward definition of a “stem cell” can be a standard precursor or “progenitor” cell effective at differentiating into tissues which include bone, cartilage, and muscle mass, in the situation of mesenchymal stem cells. A straightforward definition of a “stem cell” is a basic precursor or “progenitor” cell capable of http://johnnyphyuu.blogzag.com/19871607/top-stem-cell-knee-injections-denver-secrets