A common question is, what is the difference between totipotent, pluripotent, and multipotent cells? The answer is simple. Totipotent stem cells are the most versatile stem cell type, because they are formed shortly after fertilization of an egg cell by a sperm cell. They can become all of the cells of the human body, as well as the cells of the embryo and developing fetus.
At about four days into development, these totipotent cells specialize slightly, becoming pluripotent stem cells. [Read more…]