transforming growth factor
noun
: any of a group of polypeptides that are secreted by a variety of cells (as monocytes, T cells, or blood platelets) and have diverse effects (as inducing angiogenesis, stimulating fibroblast proliferation, or inhibiting T cell proliferation) on the division and activity of cells
—abbreviation TGF
Cite this Entry
“Transforming growth factor.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/transforming%20growth%20factor. Accessed 31 Oct. 2025.
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