Transdifferentiation in biology takes place when a non-stem cell transforms into a different type of cell, or when an already differentiated stem cell creates cells outside its already established differentiation. Developmental biologist and biochemist David Tosh has restricted the definition of transdifferentiation to irreversible switches of one differentiated cell type to another. Transdifferentiation is a type of metaplasia, which includes all cell fate switches, including the interconversio… (More on Transdifferentiation)