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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.


(Biochemistry) any of a group of hormones that are catechol derivatives, esp adrenaline and noradrenaline
[C20: from catechu + -ol1 + amine]


(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.
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
References in periodicals archive ?
Long-term follow-up with regular examinations of catecholamine production, cross-sectional CT imaging for anatomical evaluation, and iodine-123 metaiodobenzylguanidine scintigraphy for functional evaluation are therefore essential.
In addition, the following data related to catecholamine infusion were recorded: maximum dose, total time that dose exceeded 100 [micro]g/min.
2000; Pope 1999; Rice and Barone 2000; Slotkin 2004; Vidair 2004); in contrast, the initial effects on catecholamine systems appear to be promotional (Dam et al.
Treatment at this stage is empirical; however, the association with catecholamine excess suggests mechanical support is preferred over inotropic support in those patients with hemodynamic compromise.
The diagnosis of PPGL relies on biochemical evidence of excess catecholamine secretion and confirmation of tumor presence by imaging studies.
Apparently, oxidative stress activates the second gear system to decrease catecholamine production and damage by oxidative stress.
TABLE 2 Changes in CK-MB concentration, number of patients who were administered with catecholamine CI and SVRI in patients undergoing on-pump or off-pump CABG Day one CK-MB (ng/ml) On-pump 54.
They note that high catecholamine levels have previously been shown to activate hepatic glucose production and inhibit insulin-mediated skeletal muscle uptake of glucose.
Specifically, prenatal nicotine exposure grossly reduces neonatal activity of nerve pathways using catecholamine neuro-transmitters (Levin and Slotkin 1998; Slotkin 1998, 2004), which are strongly oxidative (Olanow and Arendash 1994).
Catecholamine release related to induction of anesthesia or tumor manipulation often leads to severe hypertension, arrhythmias, or stroke.
Comparing the effects of stimulant and non-stimulant agents on catecholamine function: implications for theories of ADHD: In: Solanto MV, Arnsten AFT, Castellanos FX, eds.