Definition of adrenal gland
: 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
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Merriam-Webster unabridged
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Time Traveler for adrenal gland
The first known use of adrenal gland was in 1875
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