Growth factor
NATURALLY OCCURRING SUBSTANCE CAPABLE OF STIMULATING CELLULAR GROWTH
Growth factors; Growth Factor; Growth substances; Trophic factor; Growth-factor; Trophin; Trophins; Tropic agent; Trophic agent; Trophic drug; Tropic drug; Growth Factors
A growth factor is a naturally occurring substance capable of stimulating cell proliferation, wound healing, and occasionally cellular differentiation. Usually it is a secreted protein or a steroid hormone.