Definition of Factor, colony-stimulating
Factor, colony-stimulating: A laboratory-made agent similar to a normally existing substance in the body that stimulates the production of blood cells.
The colony-stimulating factors (CSFs) include granulocyte colony-stimulating factors (G-CSF) and granulocyte-macrophage colony-stimulating factors (GM-CSF).
Last Editorial Review: 6/14/2012
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