| sympatholytics | Drugs that inhibit the actions of the sympathetic nervous system by any mechanism. The most common of these are the adrenergic antagonists and drugs that deplete norepinephrine or reduce the release of transmitters from adrenergic postganglionic terminals (see adrenergic agents). Drugs that act in the central nervous system to reduce sympathetic activity (e.g., centrally acting alpha-2 adrenergic agonists, see adrenergic alpha-agonists) are included here. (12 Dec 1998) |
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| sympathomimetic | 1. <physiology> The mimicking the effects of impulses conveyed by adrenergic postganglionic fibres of the sympathetic nervous system. 2. <pharmacology> An agent that produces effects similar to those of impulses conveyed by adrenergic postganglionic fibres of the sympathetic nervous system. Usually refers to drugs that mimic the effects of stimulating postganglionic adrenergic sympathetic nerves. Includes drugs that directly stimulate adrenergic receptors and drugs that act indirectly by provoking the release of adrenergic transmitters. Synonym: adrenergic. Origin: Gr. Mimetikos = imitative (12 Dec 1998) |
| sympathomimetic amine | An agent that evokes responses similar to those produced by adrenergic nerve activity (e.g., epinephrine, ephedrine, isoproterenol). Synonym: adrenergic amine, adrenomimetic amine, sympathetic amine. (05 Mar 2000) |
| sympathomimetic amines | A broad class of chemicals which mimic the actions of activation of the sympathetic nervous system and have an amine (usually beta-phenyl-ethylamine) basic structure; examples include isoproterenol, amphetamine, ephedrine, and phenylephrine. (05 Mar 2000) |
| sympathy | 1. Feeling corresponding to that which another feels; the quality of being affected by the affection of another, with feelings correspondent in kind, if not in degree; fellow-feeling. "They saw, but other sight instead a crowd Of ugly serpents! Horror on them fell, And horrid sympathy." (Milton) 2. An agreement of affections or inclinations, or a conformity of natural temperament, which causes persons to be pleased, or in accord, with one another; as, there is perfect sympathy between them. 3. Kindness of feeling toward one who suffers; pity; commiseration; compassion. "I value myself upon sympathy, I hate and despise myself for envy." (Kames) 4. <physiology> The reciprocal influence exercised by the various organs or parts of the body on one another, as manifested in the transmission of a disease by unknown means from one organ to another quite remote, or in the influence exerted by a diseased condition of one part on another part or organ, as in the vomiting produced by a tumour of the brain. That relation which exists between different persons by which one of them produces in the others a state or condition like that of himself. This is shown in the tendency to yawn which a person often feels on seeing another yawn, or the strong inclination to become hysteric experienced by many women on seeing another person suffering with hysteria. 5. A tendency of inanimate things to unite, or to act on each other; as, the sympathy between the loadstone and iron. 6. Similarity of function, use office, or the like. "The adverb has most sympathy with the verb." (Earle) Synonym: Pity, fellow-feeling, compassion, commiseration, tenderness, condolence, agreement. Origin: F. Sympathie, L. Sympathia, Gr.; with + suffering, passion, fr, to suffer. See Syn-, and Pathos. Source: Websters Dictionary (01 Mar 1998) |
| sympathetic nervous system |
A part of the nervous system that causes relaxation of the bladder and contraction of the internal sphincter. Urine storage in the bladder is primarily the result of a functional sympathetic system.
Ãâó: www.seekwellness.com/incontinence/glossary_of_inco...
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| sympathy |
is an emotional affinity in which whatever affects one correspondingly affects the other, and its synonym is pity. Sympathy must become empathy. Empathy, which is important in the development of a moral sense, is the ability to imagine oneself in another
Ãâó: miriams-well.org/Glossary/
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| sympathetic |
Referring to the subset of the peripheral nervous system activated in "fight or flight" behaviours.
Ãâó: www.third-plateau.org/faq/dxm_glossary.shtml
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| sympathomimetic |
Mimicking or potentiating sympathetic nervous system activity.
Ãâó: www.third-plateau.org/faq/dxm_glossary.shtml
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| sympathetic nervous system |
A branch of the autonomic nervous system that releases adrenaline.
Ãâó: www.macalester.edu/~psych/whathap/UBNRP/nightmares...
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