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Related to catecholamine: serotonin


 (kăt′ĭ-kō′lə-mēn′, -kô′-)
Any of a group of monoamines, including epinephrine, norepinephrine, and dopamine, that act as neurotransmitters and hormones.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biochemistry) any of a group of hormones that are catechol derivatives, esp adrenaline and noradrenaline
[C20: from catechu + -ol1 + amine]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌkæt ɪˈkɒl əˌmin, -ˈkoʊ lə-)

any of a group of chemically related neurotransmitters, as epinephrine and dopamine,with similar effects on the sympathetic nervous system.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.catecholamine - any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland
endocrine, hormone, internal secretion - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
noradrenaline, norepinephrine - a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
Adrenalin, adrenaline, epinephrin, epinephrine - a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Urinary catecholamine data were obtained from participants enrolled in the MESA Stress Study.
Pheochromocytoma is a rare catecholamine secreting tumour which is of chromaffin cells of adrenal medulla (90%) or extra-adrenal sympathetic para-ganglia.
The FJMU medical board had earlier examined Mr Sharif at the Kot Lakhpat Central Jail and recommended management plan for DOTA-Octretoide scan to rule out recurrent disease; upper and lower GI endoscopies with biopsies (if required) to rule out pathological gastric wall thickness and recurrent disease in bowel; repeat chromogranin A and B levels for comparison; serum catecholamine/ metanphrine levels, 24-hours urinary VMA and catecholamine levels; MR scan of spine (cervical and lumbosacral); MRI Brain with pituitary protocol; and echocardiography.
The aim of the present study was to evaluate the effects of music on pre-operative anxiety and physiological parameters including HR, mean arterial pressure (MAP), and serum catecholamine levels.
The patient's profound hemodynamic instability persisted despite administration of catecholamine medications such as dopamine, intravenous epinephrine.
The study authors (Lannemyr, et al) note "this study is the first evaluating the differential effects of levosimendan and a catecholamine on measured RBF, GFR, and renal oxygenation in patients with HF and renal dysfunction."
The study authors note "this study is the first evaluating the differential effects of levosimendan and a catecholamine on measured RBF, GFR, and renal oxygenation in patients with HF and renal dysfunction." Renal impairment is a common comorbidity seen in HF patients and is a strong predictor of their mortality.
Severe hypotension, resistant to catecholamine (such as ephedrine, epinephrine, and dopamine) treatment, was developed after general anesthetic induction.
Although there was slight hyperglycemia in patients receiving 2% lignocaine without adrenaline, clinically this was insignificant and may occur as result of endogenous catecholamine release, whereas the values observed 20 minutes after administration of plain lignocaine were slightly increased from baseline values.
[4] Catecholamine induces the transfer of potassium ions from the outside to the inside of cells[6] by the increase of insulin level mediated by alpha 2 adrenergic receptors.
Continual surveillance is comprised of regular ultrasonography and urine catecholamine testing every three months with PET/CT scans only if either of these methods indicate abnormalities.