adrenal gland

noun

: either of a pair of complex endocrine organs near the anterior medial border of the kidney consisting of a mesodermal cortex that produces glucocorticoid, mineralocorticoid, and androgenic hormones and an ectodermal medulla that produces epinephrine and norepinephrine

called also adrenal, suprarenal gland

Examples of adrenal gland in a Sentence

Recent Examples on the Web
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The system forms a feedback loop between the hypothalamus and pituitary gland in the brain, and the adrenal glands that release cortisol. New Atlas, 13 July 2025 Less well known is the fact that the flavonoids in cocoa can help mitigate the stress response from the adrenal glands and the subsequent release of cortisol. Alessandra Signorelli, Vogue, 23 June 2025 Secondary adrenal insufficiency: Normally, your pituitary gland in your head secretes adrenocorticotropic hormone or ACTH that stimulates your adrenal glands to produce cortisol. Bruce Y. Lee, Forbes.com, 5 July 2025 Allison, 21, from South Lyon, Michigan, was diagnosed with Addison's disease, a rare disorder in which her adrenal glands don't produce enough cortisol and aldosterone. Allison Moses, USA Today, 2 July 2025 See All Example Sentences for adrenal gland

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of adrenal gland was in 1875

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Cite this Entry

“Adrenal gland.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adrenal%20gland. Accessed 7 Aug. 2025.

Kids Definition

adrenal gland

noun
: either of a pair of endocrine glands that are located near the kidney and produce the hormone epinephrine

Medical Definition

adrenal gland

noun
: either of a pair of complex endocrine organs near the anterior medial border of the kidney consisting of a mesodermal cortex that produces glucocorticoid, mineralocorticoid, and androgenic hormones and an ectodermal medulla that produces epinephrine and norepinephrine

called also adrenal, suprarenal gland

More from Merriam-Webster on adrenal gland

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