Definition of adrenocorticotropic hormone in English:

adrenocorticotropic hormone

Syllabification: a·dre·no·cor·ti·co·trop·ic hor·mone
Pronunciation: /əˌdrēnōˌkôrtikōˈträpik, -ˈtrōpik
(also adrenocorticotrophic hormone /-ˈträfik, -ˈtrōfik/
, abbreviation: ACTH)


  • A hormone secreted by the pituitary gland and stimulating the adrenal cortex.
    More 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.

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