yohimbine (redirected from Hydroergotocin)

yohimbine /yo·him·bine/ (yo-him´ben) 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.

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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.

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yohimbine

an a2 adrenoceptor antagonist used to reverse sedation produced by a2 adrenoceptor agonists such as xylazine.

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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.