The adrenal medulla (medulla glandulae suprarenalis) is part of the adrenal gland. It is located at the center of the gland, being surrounded by the adrenal cortex. It is the innermost part of the adrenal gland, consisting of cells that secrete epinephrine (adrenaline), norepinephrine (noradrenaline), and a small amount of dopamine in response to ...
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http://en.wikipedia.org/wiki/Adrenal_medulla
An endocrine organ that secretes epinephrine and norepinephrine for the activation of the sympathetic nervous system.
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http://www.bbc.co.uk/radio4/reith2003/glossary.shtml
An endocrine organ that secretes epinephrine and norepinephrine in concert with the activation of the sympathetic nervous system; for example, in response to stress.
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http://www.brainfacts.org/glossary
(from the article `endocrine system, human`) The adrenal medulla...lie above the kidney, are composed of the cortex and the medulla. The adrenal cortex synthesizes and secretes steroid hormones that are essential ... [2 related articles]
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http://www.britannica.com/eb/a-z/a/20
The inner part of the adrenal gland (a small organ on top of each kidney). The adrenal medulla makes chemicals such as epinephrine (adrenaline) and norepinephrine (noradrenaline) which are involved in sending nerve signals.
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http://www.cancer.gov/dictionary?expand=A
The inner part of the adrenal gland; it synthesises, stores and releases catecholamines. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973
the inner portion of the adrenal gland, actually a glandular extension of sympathetic effector fibers or postganglionic neurons. It releases the hormones epinephrine and norepinephrine in response to stimulation of the sympathetic nervous system. Those hormones enter the bloodstream, are carried around the body, and indirectly ...
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http://www.encyclo.co.uk/local/21001
Adrenal medulla: The inner portion of adrenal gland. (The outer portion is the adrenal cortex). The adrenal medulla makes epinephrine (adrenaline) and norepinephrine (noradrenaline). Epinephrine is secreted in response to low blood levels of glucose as well as exercise and stress; it causes the breakdown of the storage product glycogen to the sugar...
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http://www.medterms.com/script/main/art.asp?articlekey=9702
(mue-dul;ua) The inner part of the adrenal gland. Derived from embryonic postganglionic sympathetic neurons, the adrenal medulla secretes catecholamine hormones-epinephrine and (to a lesser degree) norepinephrine.
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http://www.mhhe.com/biosci/abio/glossary.mhtml
The inner part of the adrenals, derived embryonically from spinal nerve precursors, they secrete epinephrine, norepinephrine and dopamine; used locally as neurotransmitters, sensitive receptors can be mobilized totally by the adrenal medullas.
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http://www.swsbm.com/ManualsMM/MedHerbGloss2.txt
[
n] - the medulla of the adrenal gland
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http://www.webdictionary.co.uk/definition.php?query=adrenal%20medulla
noun the medulla of the adrenal gland; secretes epinephrine
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https://www.encyclo.co.uk/local/20974
The inner part of the adrenal glands, which secretes catecholamines.
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https://www.sparknotes.com/psychology/psych101/glossary/terms/
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