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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.
a hormone synthesized in and secreted by the anterior lobe of the pituitary gland that promotes growth of the long bones in the limbs and increases the synthesis of protein essential for growth Also called somatotrophin, human growth hormone

growth hormone n.
Abbr. GH
See somatotropin.
growth hormone


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  • Growth-hormone-releasing-factor

    noun, Biochemistry. 1. a substance produced in the hypothalamus that regulates the release of growth hormone by the anterior pituitary gland. Abbreviation: GRF.

  • Growth line

    growth line n. Any of various dense transverse lines observed in radiographs of long bones, representing bone regrowth after temporary cessation of longitudinal growth. Also called Harris’ line.

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    growth-onset diabetes n. Insulin-dependent diabetes.

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