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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When someone encounters a threat, the sympathetic nervous system stimulates the adrenal glands to release the stress hormones adrenaline and cortisol. Angela Ryan Lee, Verywell Health, 28 May 2025 Cortisol is best known as the hormone that’s released by the body’s adrenal glands in times of stress. Paul McClure 24, New Atlas, 24 May 2025 In many cases, doctors may add other drugs to block testosterone from secondary sources in the body, such as the adrenal glands that sit above the kidneys. Melissa Rudy, FOXNews.com, 20 May 2025 The principal stress hormone is cortisol, which is produced by the adrenal gland. Jeffrey Kluger, Time, 20 May 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 4 Jun. 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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