catecholamine(redirected from Adrenergic fibers)
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Related to Adrenergic fibers: Cholinergic fibers
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]
cat•e•chol•a•mine(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.
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|Noun||1.||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