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Related to Alpha adrenergic: Beta adrenergic


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 ?
During August, Sheffield announced the initiation of the first human study on an alpha adrenergic blocking agent -- a therapy to stop or prevent vascular headaches, such as migraine -- delivered through Sheffield's ADDS delivery system.
that data from a Phase IIa clinical trial conducted by Merck has indicated that its alpha adrenergic drug development candidate for the oral treatment of benign prostatic hyperplasia (BPH) increased urine flow acutely in humans with less apparent potential to cause the cardiovascular side effects associated with other alpha adrenergic drugs currently on the market.
suggests that co-administration of an alpha adrenergic antagonist (phentolamine mesylate/"PMS") and vasoactive intestinal polypeptide ("VIP") may result in enhanced penile smooth-muscle relaxation.
Synaptic scientists used this technology to clone all six human alpha adrenergic receptor subtypes and to determine that the alpha 1-a adrenergic receptor subtype is a target for BPH drugs.
including the prostanoid and alpha adrenergic receptors.
By cloning all six alpha adrenergic neuroreceptors, company scientists confirmed that one of then plays a key role in prostate- related urinary retention.
Modafinil is a synthetic compound developed by Lafon that acts selectively on the alpha adrenergic system in the brain.
This compound, discovered by Yamanouchi, belongs to a class of compounds known as alpha adrenergic blockers.
Five main classes of medical treatment are currently used to lower intraocular pressure: prostaglandins, beta blockers, alpha adrenergic agonists, carbonic anhydrase inhibitors, and fixed dose combinations.
Patients receiving alpha adrenergic blockers were also included, and subgroups were formed according to this treatment.