Erythropoietic

Definition of erythropoietin
National Cancer Institute

erythropoietin

(eh-RITH-roh-POY-eh-tin)
A substance that is naturally produced by the kidneys, and that stimulates the bone marrow to make red blood cells. When erythropoietin is made in the laboratory, it is called epoetin alfa or epoetin beta.

Source: NCI Dictionary of Cancer Terms