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单词 papaverine
释义

Definition of papaverine in English:

papaverine

noun pəˈpavərʌɪnpəˈpeɪvərʌɪnpəˈpavəriːnpəˈpeɪvəriːn
mass nounChemistry
  • A compound present in opium used medicinally to alleviate muscle spasm and asthma.

    〔化〕罂粟硷

    An alkaloid; chemical formula: C₂₀H₂₁NO₄

    Example sentencesExamples
    • The alkaloid was first synthesized by Pictet and Gams in 1909, and as the amount of papaverine obtained from opium is small, the synthetic route remains the source of this compound up to the present day.
    • A second approach has employed intracavernosal injection of papaverine, a vasoactive agent that induces erection and has been associated most with the treatment of erectile dysfunction.
    • A 4-mg solution of papaverine is used to irrigate vessels in the event of vasospasms.
    • In non-occlusive mesenteric ischaemia, infusion of an intra-arterial vasodilator such as papaverine into the superior mesenteric artery may be all that is needed to reverse vasoconstriction and prevent bowel infarction.
    • Another drug commonly given through injections is papaverine, which has the same effect of widening the blood vessels.

Origin

Mid 19th century: from Latin papaver 'poppy' + -ine4.

Definition of papaverine in US English:

papaverine

noun
Chemistry
  • A compound present in opium used medicinally to alleviate muscle spasms and asthma.

    〔化〕罂粟硷

    An alkaloid; chemical formula: C₂₀H₂₁NO₄

    Example sentencesExamples
    • Another drug commonly given through injections is papaverine, which has the same effect of widening the blood vessels.
    • The alkaloid was first synthesized by Pictet and Gams in 1909, and as the amount of papaverine obtained from opium is small, the synthetic route remains the source of this compound up to the present day.
    • In non-occlusive mesenteric ischaemia, infusion of an intra-arterial vasodilator such as papaverine into the superior mesenteric artery may be all that is needed to reverse vasoconstriction and prevent bowel infarction.
    • A 4-mg solution of papaverine is used to irrigate vessels in the event of vasospasms.
    • A second approach has employed intracavernosal injection of papaverine, a vasoactive agent that induces erection and has been associated most with the treatment of erectile dysfunction.

Origin

Mid 19th century: from Latin papaver ‘poppy’ + -ine.

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更新时间:2024/12/26 23:51:01