Definition of adrenal in English:


Syllabification: ad·re·nal
Pronunciation: /əˈdrēnl


  • Of, relating to, or denoting a pair of ductless glands situated above the kidneys. Each consists of a core region ( adrenal medulla) secreting epinephrine and norepinephrine, and an outer region ( adrenal cortex) secreting corticosteroids.
    More example sentences
    • Aldosterone, a steroid hormone produced in the outer layer of the adrenal cortex, promotes renal sodium retention and potassium loss.
    • There remains only a limited source of female sex hormones after the menopause, by conversion of androgens secreted by the adrenal cortex.
    • Epinephrine is produced and released from the adrenal medulla in the kidney (ie, endogenous).


(usually adrenals) Back to top  
  • An adrenal gland.
    More example sentences
    • Reflexologists say these areas are connected to the adrenals, pituitary glands and uterus, respectively.
    • The hormone from the pituitary gland that prompts the adrenals to produce steroids is called adrenocorticotropic hormone.
    • The adrenals are triangular glands that sit atop each kidney.


late 19th century: from ad- + renal.

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