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单词 sympathomimetic
释义

sympathomimetic


sym·pa·tho·mi·met·ic

S0959900 (sĭm′pə-thō-mĭ-mĕt′ĭk, -mī-)adj. Producing physiological effects resembling those caused by the activity or stimulation of the sympathetic nervous system: a sympathomimetic hormone.n. A sympathomimetic drug or agent.
[sympath(etic) + mimetic.]

sympathomimetic

(ˌsɪmpəθəʊmɪˈmɛtɪk) medadj (Medicine) causing a physiological effect similar to that produced by stimulation of the sympathetic nervous systemn (Pharmacology) a sympathomimetic drug. Compare sympatholytic[C20: from sympath(etic) + mimetic]

sym•pa•tho•mi•met•ic

(ˌsɪm pə θoʊ mɪˈmɛt ɪk, -maɪ-)
adj. 1. mimicking stimulation of the sympathetic nervous system. n. 2. a sympathomimetic drug or agent. [1905–10; sympath (etic) + -o- + mimetic]
Thesaurus
Adj.1.sympathomimetic - relating to epinephrine (its release or action)adrenergic
Translations

Sympathomimetic


sympathomimetic

[¦sim·pə·thō·mə′med·ik] (pharmacology) Having the ability to produce physiologic changes similar to those caused by action of the sympathetic nervous system.

Sympathomimetic

 

a pharmacological substance whose action basically coincides with the effects of the excitation of the sympathetic nervous system, including the constriction of blood vessels and the dilatation of bronchi. Inasmuch as sympathomimetics act on adrenergic receptors, that is, on receptor formations sensitive to norepinephrine and adrenaline, they are conventionally called adrenomimetics.

Sympathomimetics may be direct or indirect. Direct sympathomimetics act directly on adrenergic structures; they include norepinephrine, adrenaline, and Adrianol (also called sympa-thol). Indirect sympathomimetics either promote the release or block the capture of a mediator; they include Tyramine, Phena-mine (also called amphetamine), ephedrine, and imizin (also called imipramine). Indirect sympathomimetics cause the quantity of a mediator to increase and thereby produce sympathomimetic effects.

In clinical practice adrenaline, norepinephrine, and Adrianol are used locally to constrict blood vessels during hemorrhaging. They are also used to increase arterial pressure in cases of collapse. Ephedrine is used to arrest asthma attacks and to constrict peripheral vessels (for example, it is applied directly to the nose in cases of a cold). Phenamine is characterized by peripheral sympathomimetic action—for example, it constricts blood vessels and increases systole. It also exerts a stimulating effect on the central nervous system and consequently is used to excite nervous activity. Imizin is pharmacologically an antidepressant and is therefore used in the treatment of nervous and mental disorders accompanied by depression.

REFERENCES

Zakusov, V. V. Farmakologiia, 2nd ed. Moscow, 1966.
Anichkov, S. V. Izbiratel’noe deistvie mediatornykh sredstv. Leningrad, 1974.
Goodman, L. S., and A. Gilman. The Pharmacological Basis of Therapeutics, 3rd ed. New York-London-Toronto, 1965.

V. V. ZAKUSOV

sympathomimetic


sympathomimetic

 [sim″pah-tho-mi-met´ik] 1. producing effects resembling those of impulses transmitted by the postganglionic fibers of the sympathetic nervous system. See also adrenergic.2. an agent that produces such an effect.

sym·pa·tho·mi·met·ic

(sim'pă-thō-mi-met'ik), Denoting mimicking of action of the sympathetic system.
See also: adrenomimetic.
[sympatho- + G. mimikos, imitating]

sympathomimetic

(sĭm′pə-thō-mĭ-mĕt′ĭk, -mī-)adj. Producing physiological effects resembling those caused by the activity or stimulation of the sympathetic nervous system: a sympathomimetic hormone.n. A sympathomimetic drug or agent.

sym·pa·tho·mi·met·ic

(sim'pă-thō-mi-met'ik) Denoting mimicking of action of the sympathetic system.
See also: adrenomimetic
Synonym(s): sympathicomimetic.
[sympatho- + G. mimikos, imitating]

sympathomimetic

Of any agent that simulates or stimulates the sympathetic nervous system. ADRENERGIC. Sympathomimetic action can increase the heart output by 100 per cent over resting values. It can constrict arteries and increase the blood pressure. And it can widen the air tubes of the lungs allowing more free access of large volumes of air.

Sympathomimetic

Denoting a drug that mimics the effects of stimulation of organs and structures by the sympathetic nervous system. The sympathetic nervous system pertains to the part of the nervous system originating in the thoracic and lumbar regions of the spinal cord. In general, it inhibits or opposes the physiological effects of another aspect of the nervous system, as in tending to reduce digestive secretions, speed up the heart, and contract the blood vessels.Mentioned in: Tilt Table Test

sym·pa·tho·mi·met·ic

(sim'pă-thō-mi-met'ik) Denoting mimicking of action of sympathetic system. [sympatho- + G. mimikos, imitating]

sympathomimetic


Related to sympathomimetic: parasympathomimetic, anticholinergic, sympatholytic, sympathomimetic amines
  • adj

Synonyms for sympathomimetic

adj relating to epinephrine (its release or action)

Synonyms

  • adrenergic
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