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growth hormone

American  

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. GH


growth hormone British  

noun

  1. Also called: somatotrophin.   human 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

"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

growth hormone Scientific  
  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.

  2. Also called somatotropin

  3. Any of various natural or synthetic substances that regulate the growth of plants. Auxins in plants are growth hormones.


Etymology

Origin of growth hormone

First recorded in 1920–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"It is the first time we know the exact number of Laron syndrome patients and the many variants of the growth hormone receptor defects," he tells BBC Mundo.

From BBC Jul. 17, 2026

Those who have Laron syndrome, also known as growth hormone insensitivity, are unable to use the growth hormone that their body makes.

From BBC Jul. 17, 2026

Crinetics primarily develops products to treat endocrine disorders, including acromegaly, a rare hormonal disorder caused by the overproduction of growth hormone, and congenital adrenal hyperplasia, a condition that affects the adrenal glands.

From The Wall Street Journal Jul. 6, 2026

Using advanced circuit tracing techniques, the team discovered that the two peptide hormones responsible for regulating growth hormone release behave differently depending on the stage of sleep.

From Science Daily Jul. 5, 2026

He’s working on something else: a growth hormone that will throw their systems out of whack and make them pupate before they’re supposed to.

From "Cat's Eye" by Margaret Atwood

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