adrenal gland

noun Anatomy.
one of a pair of ductless glands, located above the kidneys, consisting of a cortex, which produces steroidal hormones, and a medulla, which produces epinephrine and norepinephrine.
Also called suprarenal gland.


Origin:
1870–75

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World English Dictionary
adrenal gland
 
n
Also called: suprarenal gland an endocrine gland at the anterior end of each kidney. Its medulla secretes adrenaline and noradrenaline and its cortex secretes several steroid hormones

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Medical Dictionary

adrenal gland n.
Either of two small, dissimilarly shaped endocrine glands, one located above each kidney, consisting of the cortex, which secretes several steroid hormones, and the medulla, which secretes epinephrine. Also called epinephros, paranephros, suprarenal gland.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
adrenal gland   (ə-drē'nəl)  Pronunciation Key 


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Either of two small endocrine glands, one located above each kidney. The outer portion, or cortex, secretes steroid hormones (corticosteroids). The inner portion, or medulla, secretes epinephrine and norepinephrine.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Too little sleep also leads to increased levels cortisol, a hormone produced by the adrenal gland under stress.
He died five years ago from an inoperable tumor on his adrenal gland.
People with primary hyperaldosteronism have a problem with the adrenal gland that causes it to release too much aldosterone.
Rarely, this kind of tumor occurs outside the adrenal gland, usually somewhere else in the abdomen.
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