interleukin-6
noun
\ -ˈsiks
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Medical Definition of interleukin-6
: an interleukin that is produced by various cells (as macrophages, fibroblasts, T cells, and tumor cells) and that acts as a pyrogen, induces maturation of B cells and growth of myeloma cells, activates and induces proliferation of T cells, and stimulates synthesis of plasma proteins (as fibrinogen)
—abbreviation IL-6