calcium blocker

calcium blocker

noun Pharmacology.
any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.
Also called calcium channel blocker.
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calcium 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 
WordNet® 3.0, © 2006 by Princeton University.
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