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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 ?
Pheochromocytomas are rare catecholamine producing neuroendocrine tumors typically located in the adrenal medulla or along the sympathetic ganglia.
Amphetamine is a synthetic central nervous system stimulant which releases and blocks the reuptake of catecholamine resulting in a hyperadr-energic state.
Although the exact incidence of catecholamine induced LVOT obstruction after mitral valve repair has not yet been reported, these effects could be worsened when anatomical abnormalities, such as degenerative changes on the anterior cusp of the mitral valve and basal septal hypertrophy, are combined (2).
It is very important to reveal that catecholamine synthesis follows the same steps in chromaffine cells, in the central nervous system and in sympathetic postganglionic neurons, as a confirmation of their common origin and functions.
The authors wrote: "High quality evidence shows that increased potassium intake reduces blood pressure in people with hypertension and has no adverse effect on blood lipid concentrations, catecholamine concentrations, or renal function in adults.
Adipocyte lipolysis is physiologically stimulated by catecholamine hormones.
Vitamin D deficiency was associated with lower ionized calcium levels, a greater likeliness of the necessity of catecholamine use (administered in cases of shock), longer intensive care unit stays and increased Pediatric Risk of Mortality scores, which are used to evaluate illness severity.
In addition, the role of catecholamine dysfunction has proven itself from various studies since most medications that treat ADHD effectively also affect catecholamine transmission in the prefrontal lobe.
Since an association between increased catecholamine levels at high altitude and AMS development has been supposed, the reduction in blood lactate concentrations might represent a mechanism for a reduced AMS risk after IH (28), (29).
Most paragangliomas are diagnosed in the 4th or 5th decade and can be an incidental finding, by screening on family history or due to symptoms from either mass effect or catecholamine secretion.
1 Pathogenesis of hypokalaemia has been explained by some authors to be due to an intracellular shift of body potassium, which is catecholamine mediated.
They often present with systemic symptoms related to catecholamine excess.