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Glossary Term

colony-stimulating factor     (KAH-luh-nee-STIM-yoo-LAY-ting FAK-ter)

A substance that stimulates the production of blood cells. Colony-stimulating factors include granulocyte colony-stimulating factor (G-CSF), granulocyte-macrophage colony-stimulating factor (GM-CSF), and promegapoietin.