NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,855 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.

myeloblast
(MY-eh-loh-blast)
A type of immature white blood cell that forms in the bone marrow. Myeloblasts become mature white blood cells called granulocytes (neutrophils, basophils, and eosinophils).