calcium channel blocker
noun Date: 1980 any of a class of drugs (as verapamil) that prevent or slow the influx of calcium ions into smooth muscle cells and are used especially to treat some forms of angina pectoris and some cardiac arrhythmias

New Collegiate Dictionary. 2001.

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  • calcium channel blocker — n any of a class of drugs (as verapamil) that prevent or slow the influx of calcium ions into smooth muscle cells esp. of the heart and that are used esp. to treat some forms of angina pectoris and some cardiac arrhythmias called also calcium… …   Medical dictionary

  • calcium channel blocker — n. any of a class of drugs, including nifedipine, diltiazem, and verapamil, that relax vascular and other smooth muscle tissue by preventing calcium ions from entering their cells, used to treat headaches, high blood pressure, angina pectoris,… …   Universalium

  • calcium channel blocker — n. any of a class of drugs, including nifedipine, diltiazem, and verapamil, that relax vascular and other smooth muscle tissue by preventing calcium ions from entering their cells, used to treat headaches, high blood pressure, angina pectoris,… …   English World dictionary

  • Calcium channel blocker — A calcium channel blocker (CCB) is a chemical that disrupts the movement of calcium (Ca2+) through calcium channels.[1] CCB drugs devised to target neurons are used as antiepileptics. However, the most widespread clinical usage of calcium channel …   Wikipedia

  • calcium-channel blocker — calcium antagonist a drug that inhibits the influx of calcium ions into cardiac and smooth muscle cells; it therefore reduces the strength of heart muscle contraction, reduces conduction of impulses in the heart, and causes vasodilatation.… …   The new mediacal dictionary

  • calcium-channel blocker — noun any of a class of drugs that block the flow of the electrolyte calcium (either in nerve cell conduction or smooth muscle contraction of the heart); has been used in the treatment of angina or arrhythmia or hypertension or migraine • Syn:… …   Useful english dictionary

  • calcium channel blocker — noun or calcium blocker : any of a class of drugs (as verapamil) that prevent or slow the influx of calcium ions into smooth muscle cells especially of the heart and that are used especially to treat some forms of angina pectoris and some cardiac …   Useful english dictionary

  • calcium channel blocker — noun A class of drug used to treat hypertension and also angina and arrhythmia …   Wiktionary

  • Channel blocker — A channel blocker (CB) or ion channel blocker (ICB) is a type of drug which binds inside the pore of a specific type of ion channel and blocks the flow of ions through it, resulting in an alteration of the electrochemical gradient of the cell… …   Wikipedia

  • Calcium channel — A Calcium channel is an ion channel which displays selective permeabiltiy to calcium ions. It is sometimes synonymous as voltage dependent calcium channel, [DorlandsDict|two/000019812|calcium channel] although there are also ligand gated calcium… …   Wikipedia

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