sympatholytic

Denoting antagonism to or inhibition of adrenergic nerve activity. SEE ALSO: adrenergic blocking agent, antiadrenergic. [sympatho- + G. lysis, a loosening]

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sym·pa·tho·lyt·ic .sim-pə-thō-'lit-ik adj tending to oppose the physiological results of sympathetic nervous activity or of sympathomimetic drugs compare PARASYMPATHOLYTIC
sympatholytic n a sympatholytic agent

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adj.
opposing the effects of the sympathetic nervous system. Drugs such as guanethidine block the transmission of impulses along adrenergic nerves; they are used to treat high blood pressure. alpha blocker and beta blocker are other kinds of sympatholytic drugs.

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sym·pa·tho·lyt·ic (sim″pə-tho-litґik) [sympathetic + -lytic] 1. opposing the effects of impulses conveyed by adrenergic postganglionic fibers of the sympathetic nervous system. 2. an agent that opposes the effects of impulses conveyed by adrenergic postganglionic fibers of the sympathetic nervous system; called also antiadrenergic.

Medical dictionary. 2011.

Look at other dictionaries:

  • sympatholytic — [sim΄pə thō lit′ik] adj. [< SYMPATH(ETIC) + O + LYTIC] having the effect of decreasing the activity of the sympathetic nervous system: said of certain drugs, chemicals, etc …   English World dictionary

  • sympatholytic — adjective Etymology: International Scientific Vocabulary Date: 1943 tending to oppose the physiological results of sympathetic nervous activity or of sympathomimetic drugs < a sympatholytic agent > • sympatholytic noun …   New Collegiate Dictionary

  • Sympatholytic — A sympatholytic drug is a medication which inhibits the postganglionic functioning of the sympathetic nervous system (SNS).cite web |url=http://www.mercksource.com/pp/us/cns/cns hl dorlands split.jsp?pg=/ppdocs/us/common/dorlands/dorland/eight/000… …   Wikipedia

  • sympatholytic — adj. opposing the effects of the sympathetic nervous system. Guanethidine blocks the transmission of impulses along adrenergic nerves; it is used to treat high blood pressure. Alpha blockers and beta blockers are other kinds of sympatholytic… …   The new mediacal dictionary

  • sympatholytic — sym•pa•tho•lyt•ic [[t]ˌsɪm pə θoʊˈlɪt ɪk[/t]] adj. 1) phl opposing the effects of stimulation of the sympathetic nervous system 2) a sympatholytic drug or agent • Etymology: 1940–45; sympath (etic) + o + lytic …   From formal English to slang

  • sympatholytic — I. |simpəthō|lid.ik adjective Etymology: International Scientific Vocabulary sympatho + lytic : tending to oppose the physiological results of sympathetic nervous activity or of sympathomimetic drugs used chiefly of chemical substances and their… …   Useful english dictionary

  • sympatholytic — /sim peuh thoh lit ik/, adj. Physiol., Pharm. opposing the effects of stimulation of the sympathetic nervous system. Cf. cholinolytic. [1940 45; SYMPATH(ETIC) + O + LYTIC] * * * …   Universalium

  • sympatholytic — 1. adjective That opposes the stimulation of the sympathetic nervous system 2. noun Any medicine having this effect …   Wiktionary

  • sympatholytic — sym·pa·tho·lyt·ic …   English syllables

  • Средство Симпатолитическое (Sympatholytic) — лекарственное вещество, по своему действию противоположное действию симпатической нервной системы. Гуанетидин и метилдофа блокируют передачу импульсов по адренергическим нервам; эти лекарственные вещества применяются для снижения повышенного… …   Медицинские термины

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