Definition of adrenocorticotropic hormone in English:

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adrenocorticotropic hormone

Pronunciation: /əˌdrēnōˌkôrtikōˈträpik/ Pronunciation: /-ˈtrōpik/
(also adrenocorticotrophic hormone /-ˈträfik/ /-ˈtrōfik/ , abbreviation ACTH)


A hormone secreted by the pituitary gland and stimulating the adrenal cortex.
Example sentences
  • Your pituitary gland, located at the base of your brain, responds to a perceived threat by stepping up its release of adrenocorticotropic hormone, which signals other glands to produce additional hormones.
  • An adrenocorticotropic hormone stimulation test can be administered if clinically warranted.
  • This lesion has been shown to respond to elevated levels of adrenocorticotropic hormone and to regress with cortisone.


1930s: from adreno- and cortico- (combining forms of adrenal and cortex) + -trophic or -tropic.

For editors and proofreaders

Syllabification: a·dre·no·cor·ti·co·trop·ic hor·mone

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