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Dictionary of Cancer Terms

View in Spanish: Factor estimulador de colonias de granulocitos y macrofágos

Granulocyte-macrophage colony-stimulating factor (GRAN-yoo-loh-SITE-MA-kruh-FAYJ KAH-luh-nee-STIM-yoo-LAY-ting)
A substance that helps make more white blood cells, especially granulocytes, macrophages, and cells that become platelets. It is a cytokine that is a type of hematopoietic (blood-forming) agent. Also called GM-CSF and sargramostim.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.