(redirected from Adrenergic receptors)
Also found in: Thesaurus, Medical, Legal, Encyclopedia.
Related to Adrenergic receptors: cholinergic receptors


1. Activated by or capable of releasing epinephrine or a similar substance, especially in the sympathetic nervous system: adrenergic receptors.
2. Having physiological effects similar to those of epinephrine: an adrenergic amine.

ad′re·ner′gi·cal·ly adv.


(Physiology) releasing or activated by adrenaline or an adrenaline-like substance
[C20: adrenaline + Greek ergon work]


(ˌæd rəˈnɜr dʒɪk)

1. resembling epinephrine in physiological effect: an adrenergic drug.
2. releasing epinephrine: adrenergic neurons.
3. activated by epinephrine or a similar substance: adrenergic receptor.
4. a drug or other agent having an epinephrinelike effect. Compare cholinergic.
[1930–35; adren- + -ergic]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.adrenergic - drug that has the effects of epinephrineadrenergic - drug that has the effects of epinephrine
phenylephrine - a powerful vasoconstrictor used to dilate the pupils and relieve nasal congestion
phenylpropanolamine - an adrenergic drug used in many preparations to relieve allergic reactions or respiratory infections; "drugs containing phenylpropanolamine are being recalled"
pressor, vasoconstrictive, vasoconstrictor - any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure
Adj.1.adrenergic - relating to epinephrine (its release or action)
References in periodicals archive ?
Association between genetic polymorphisms of beta2 adrenergic receptors and nocturnal asthma in Egyptian children.
Urorec blocks alpha-1 adrenergic receptors in the prostate, bladder and urethra to reduce LUTS symptoms.
The blockage of alpha adrenergic receptors is thought to be related to priapism.
Thyrotoxic stage is a hyper-adrenergic state, where there is increased adrenergic receptor sensitivity and an increased number of receptors, which leads to stimulation of adrenergic receptors on coronary arteries.
Most patients had increases in gene expression for some adrenergic receptors and catechol-0-methyltransferase (COMT).
Hancock reported presence of [alpha] adrenergic and [beta] adrenergic receptors in human ureter.
The sympathetic nervous system appears to modulate ureteral activity as shown by the presence of adrenergic receptors in the ureter.
The physiologic effects of cathecolamines are dependent on their binding to adrenergic receptors across the surface of the target cells.
It is interesting to note that the ligand binding activity is lost on treatment with most common detergents like Triton X-100 or sodium cholate, but not digitonin, and that [beta] adrenergic receptors as well as rhodopsin and muscarinic receptors were also found to be solubilized in their active forms only with digitonin (14) when these three proteins were not thought to belong to the same family.
Other drugs may act on other kinds of receptors involved in weight gain, such as the beta-3 adrenergic receptors in fat tissue.
Quetiapine is an antagonist of dopamine, serotonin, and adrenergic receptors, and it is a potent antihistamine with only negligible anticholinergic effects.