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yohimbine |
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yohimbine /yo·him·bine/ (yo-him´bēn) an alkaloid chemically similar to reserpine, from the bark of the yohimbe tree; it possesses alpha-adrenergic blocking properties and is used as the hydrochloride as a sympatholytic and mydriatic, and for the treatment of impotence. yohimbine (yōhim´bēn´), n an alkaloid, the active principle comes from the bark of Corynanthe johimbe. It produces a competitive blockage of limited duration of α-adrenergic receptors. It has also been used for its alleged aphrodisiac properties. yohimbine an α2 adrenoceptor antagonist used to reverse sedation produced by α2 adrenoceptor agonists such as xylazine. yohimbine challenge test used as a test for cataplexy in dogs; after administration, there is a marked reduction in the number and severity of clinical signs. yohimbine Pharmacognosy An alkaloid used to treat erectile dysfunction, which is chemically similar to reserpine; it may be of use for orthostatic hypotension and ischemic vascular disease caused by autonomonic dysfunction in DM, narcotic
overdose, possibly acting to ↑ dopamine release, and for psychogenic and organic impotence, possibly ↑ inflow to and/or ↓ outflow of blood from the penis, with ↑ erection without ↑ sexual desire How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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