adrenergic blocking

adrenergic blocking
see under blockade.

Medical dictionary. 2011.

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  • adrenergic blocking agent — a compound that selectively inhibits response to sympathetic impulses and to catecholamines and other adrenergic amines. See alpha adrenergic blocking a., beta adrenergic blocking a., and adrenergic neuron blocking a …   Medical dictionary

  • beta-adrenergic blocking agent — noun any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta adrenergic receptors of the autonomic nervous system • Syn: ↑beta blocker, ↑beta blocking agent, ↑beta… …   Useful english dictionary

  • alpha-adrenergic blocking agent — noun any of various drugs that block alpha adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder • Syn: ↑alpha blocker, ↑alpha blocker, ↑alpha adrenergic blocker • Hypernyms: ↑blocker …   Useful english dictionary

  • Beta adrenergic blocking drugs — A class of drugs, also called beta blockers, that block beta adrenergic substances such as adrenaline (epinephrine), a key agent in the sympathetic portion of the autonomic (involuntary) nervous system. By blocking the action of the sympathetic… …   Medical dictionary

  • alpha-adrenergic blocking agent — an agent that induces adrenergic blockade at α adrenergic receptors …   Medical dictionary

  • beta-adrenergic blocking agent — an agent that induces adrenergic blockade at either β1 or β2 adrenergic receptors or at both …   Medical dictionary

  • blocking agent — noun a class of drugs that inhibit (block) some biological process • Syn: ↑blocker • Derivationally related forms: ↑block (for: ↑blocker) • Hypernyms: ↑medicine, ↑ …   Useful english dictionary

  • adrenergic drug —       any of various drugs that interfere with the functioning of the sympathetic nervous system by affecting the release or action of norepinephrine and epinephrine (epinephrine and norepinephrine). The former are hormones, secreted by the… …   Universalium

  • adrenergic receptor — a site on an effector organ innervated by postganglionic adrenergic fibers of the sympathetic nervous system, classified as either α adrenergic or β adrenergic according to its reaction to norepinephrine and epinephrine, as well as to… …   Medical dictionary

  • adrenergic neuron blocking agent — a substance that inhibits the release of norepinephrine from postganglionic adrenergic nerve endings …   Medical dictionary

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