epidermal growth factor

Definition of epidermal growth factor
National Cancer Institute

epidermal growth factor

(eh-pih-DER-mul grothe FAK-ter)
A protein made by many cells in the body and by some types of tumors. It causes cells to grow and differentiate (become more specialized). It is a type of growth factor and a type of cytokine. Also called EGF.

Source: NCI Dictionary of Cancer Terms