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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 of adrenal gland
First recorded in 1870-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for adrenal glands
Historical Examples
  • Adrenin is a substance secreted into the blood by the adrenal glands.

    The Analysis of Mind Bertrand Russell
  • Similar calcium deposits were seen frequently in the adrenal glands, in their cortex, or at the border of the cortex and medulla.

    Scurvy Past and Present Alfred Fabian Hess
  • The rapid secretion of the adrenal glands during anger is itself aroused by the nerve running to this gland.

    Psychology Robert S. Woodworth
  • Again, the kidneys, and especially the adrenal glands, influence the hair.

British Dictionary definitions for adrenal glands

adrenal gland

an endocrine gland at the anterior end of each kidney. Its medulla secretes adrenaline and noradrenaline and its cortex secretes several steroid hormones Also called suprarenal gland
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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adrenal glands in Medicine

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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adrenal glands in Science
adrenal gland

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.
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adrenal glands in Culture
adrenal glands [(uh-dreen-l)]

Two small glands, one located near the upper part of each kidney, that function in the endocrine system. Part of each adrenal gland secretes adrenaline; another part secretes other important hormones.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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