Medical Dictionary

granulocyte–macrophage colony–stimulating factor

noun

Medical Definition of granulocyte–macrophage colony–stimulating factor

  1. :  a colony-stimulating factor produced by T cells, macrophages, endothelial cells, and fibroblasts that promotes the differentiation of bone marrow stem cells, stimulates the maturation of precursor cells into granulocytes and macrophages, and activates mature macrophages—abbreviation GM-CSF; see sargramostim


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