blocker

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blocker

 [blok´er]
something that blocks or obstructs a passage or activity; see also antagonist and blocking agent.
β-blocker (beta-blocker) beta-adrenergic blocking agent.
calcium channel blocker calcium channel blocking agent.
potassium channel blocker potassium channel blocking agent.
sodium channel blocker sodium channel blocking agent.

block·er

(blok'er),
An instrument used to obstruct a passage.

blocker

/block·er/ (blok´er) something that blocks or obstructs passage, activity, etc.
α-blocker  alpha-adrenergic blocking agent; see adrenergic blocking agent.
β-blocker  beta-adrenergic blocking agent; see adrenergic blocking agent.
calcium channel blocker  calcium channel blocking agent.
potassium channel blocker  potassium channel blocking agent.
sodium channel blocker  sodium channel blocking agent.

blocker

blocker

A popular term for anything which physically (e.g., a bed blocker, see there) or pharmacologically (e.g., a beta-blocker) impedes a process or activity.

block·er

(blok'ĕr)
1. An instrument used to obstruct a passage.

blocker

something that blocks or obstructs passage, activity, etc.

α-blocker, alpha-blocker
a drug that induces adrenergic blockade at α-adrenergic receptors.
β-blocker, beta-blocker
a drug that induces adrenergic blockade at either β1- or β2-adrenergic receptors, or both (see also beta-blocker).
calcium channel blocker
a drug that selectively inhibits the influx of calcium ions through a specific ion channel of cardiac muscle and smooth muscle cells (see also calcium channel blocker).
H2-receptor blocker
a drug, such as cimetidine that inhibits the secretion of gastric acid stimulated by histamine, pentagastrin, food and insulin, and also basal secretion; used in the treatment of peptic ulcer.
References in periodicals archive ?
Potassium channel blockers in multiple sclerosis: Neuronal K(v) channels and effects of symptomatic treatment.
The book also has excellent in-depth coverage of other approaches in pain therapy, such as gabapentin, gabapentinoids, sodium channel blockers (including antiepileptic drugs such as phenytoin, carbamazepine, and lamotrigine and antiarrhythmic drugs such as mexiletene), potassium channel blockers, and calcium channel antagonists.
Potassium channel blockers in multiple sclerosis: neuronal Kv channels and effects of symptomatic treatment.
He continued, "In addition to recognizing our recent success in discovering novel potassium channel blockers, the award validates our general expertise in the discovery of ion-channel blockers.
digitalis drugs, and potassium channel blockers, like azimilide.
This Phase I grant will support our drug discovery efforts in the area of potassium channel blockers and optimize our considerable resources in peripheral neuropathy," said Robert N.
In the collaboration, CytoTherapeutics and Cognetix will focus on several CNS compounds with an initial emphasis on highly specific, high affinity calcium, sodium and potassium channel blockers.

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