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growth hormone

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.
Origin of growth hormone
First recorded in 1920-25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for growth hormone

growth hormone

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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growth hormone in Medicine

growth hormone n.
Abbr. GH
See somatotropin.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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growth hormone in Science
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.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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