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growth hormone - 5 dictionary results

growth hormone

–noun
any substance that stimulates or controls the growth of an organism, esp. a species-specific hormone, as the human hormone somatotropin, secreted by the anterior pituitary gland. Abbreviation: GH

Origin:
1920–25
growth hormone  
n.   Abbr. GH
  1. A polypeptide hormone secreted by the anterior lobe of the pituitary gland that promotes growth of the body, especially by stimulating release of somatomedin, and that influences the metabolism of proteins, carbohydrates, and lipids. Also called human growth hormone, somatotropic hormone, somatotropin.
  2. Any of various natural or synthetic substances that regulate the growth of animals or plants, such as pituitary growth hormone in vertebrates and auxins in plants.

Main Entry: growth hormone
Function: noun
: a vertebrate polypeptide hormone that is secreted by the anterior lobe of the pituitary gland and regulates growth called alsosomatotropic hormone, somatotropin

growth hormone n.
Abbr. GH
See somatotropin.

growth hormone  
  1. A polypeptide hormone secreted by the anterior portion of the pituitary gland that promotes growth by stimulating protein synthesis. Growth hormone also acts on the liver to produce peptides called somatomedins, which stimulate growth of bone, cartilage, and muscle. Also called somatotropin.
  2. Any of various natural or synthetic substances that regulate the growth of plants. Auxins in plants are growth hormones.

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