NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

granulocyte-macrophage colony-stimulating factor
(GRAN-yoo-loh-SITE-MA-kroh-FAYJ KAH-luh-nee-STIM-yoo-LAY-ting FAK-ter)
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.