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Definition of the noun alpha-blocker

What does alpha-blocker mean as a name of something?


  1. any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder


Alpha-blocker a.k.a. Alpha blocker: Natural or synthetic Alpha-adrenergic Blocking Agents selectively bind to adrenergic receptors, or compete with natural adrenergic mediators, and inactivate alpha adrenergic receptors of the sympathetic nervous system. These agents block the action of natural sympathomimetic neurotransmitters, and can initiate physiological responses such as vasodilation, bradycardia, and pupil contraction.

  • also known as Alpha-Adrenergic Antagonist

Printed dictionaries and other books with definitions for Alpha-Blocker

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Google previewDictionary of Optometry and Visual Science (2014)

by Michel Millodot

alpha-blocker. See sympatholytic drugs. alpha angle See angle, alpha. alpha-blocker See antagonist. alpha-adrenergic alpha waves Rhythmic oscillation in electrical potential occurring in the cortex of the human brain when awake and ...

Google previewThe American Heritage Medical Dictionary (2008)

by Houghton Mifflin Company, American Heritage

See alpha-blocker. alpha-adrenergic receptor n. Any of various cell membrane receptors that can bind with norepinephrine and related substances that activate or block the actions of the cells containing such receptors; these cells initiate ...

Google previewIllustrated Dictionary of Podiatry and Foot Science (2009)

by Jean Mooney

phenol is crystalline at normal room temperatures; seeliquefied phenol BP phenoxybenzamine hydrochloride an adrenergic alpha-receptor blocking agent (alpha-blocker) that prevents ...

Google previewThe Encyclopedia of Senior Health and Well-being (2003)

by Joseph Kandel, Christine A. Adamec

Some alpha-blocker drugs that doctors may prescribe are Hytrin (terazosin), Cardura (doxazosin), and Flo- max (tamsulosin hydrochloride). Physicians also use Proscar (finasteride), a drug that causes a shrinking of the prostate, thus easing ...

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