any of various proteins that promote the growth, organization, and maintenance of cells and tissues.
any of several substances present in serum that induce growth of cells. Excessive amounts of growth factor may be associated with the production of cancer cells
growth factor n.
A substance that affects the growth of an organism.
noun 1. a mutual fund that invests primarily in growth stocks.
noun 1. any substance that stimulates or controls the growth of an organism, especially a species-specific hormone, as the human hormone somatotropin, secreted by the anterior pituitary gland. Abbreviation: GH. noun 1. a hormone synthesized in and secreted by the anterior lobe of the pituitary gland that promotes growth of the long bones in the […]
- Growth hormone-producing adenoma
growth hormone-producing adenoma n. A tumor that may secrete both growth hormone and prolactin, causing gigantism or acromegaly. Also called acidophil adenoma, eosinophil adenoma.
noun, Biochemistry. 1. a substance produced in the hypothalamus that regulates the release of growth hormone by the anterior pituitary gland. Abbreviation: GRF.