Constituent of opium that acts as a smooth muscle relaxant probably by blocking membrane calcium channels and inhibiting phosphodiesterase.

Dictionary of molecular biology. 2004.

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  • Papaverine — Systematic (IUPAC) name …   Wikipedia

  • PAPAVÉRINE — Alcaloïde de formule brute C20H214N, que l’on trouve en faible quantité dans l’opium (environ 0,01 p. 100 des alcaloïdes totaux de celui ci) extrait d’une variété de pavot, Papaver somniferum , de la famille des papavéracées. Produit très toxique …   Encyclopédie Universelle

  • Papaverine — Papavérine Papavérine Structure de la papavérine Général Nom IUPAC 1 [(3,4 diméthoxyphényl)méthyl] 6,7 diméthoxy isoquinol …   Wikipédia en Français

  • Papavérine — Structure de la papavérine Général Nom IUPAC 1 [(3,4 diméthoxyphényl)méthyl] 6,7 diméthoxy isoquinoline …   Wikipédia en Français

  • Papaverine — Pa*pav er*ine, n. (Chem.) An alkaloid found in opium. It has a weaker therapeutic action than morphine. [1913 Webster] …   The Collaborative International Dictionary of English

  • papaverine — [pə pav′ər ēn΄, pə pav′ər in; pəpāv′ər ēn΄ pəpāv′ər in] n. [L papaver, poppy + INE3] a white, crystalline alkaloid, C20H21NO4, derived from opium and used in medicine to relax muscles in spasms and as a local anesthetic …   English World dictionary

  • papaverine — A benzylisoquinoline alkaloid of opium that is not a narcotic but has mild analgesic action and is a powerful spasmolytic; does not evoke tolerance and has no addiction liability; used to treat male impotence by local …   Medical dictionary

  • papaverine — n. an alkaloid, derived from opium, that relaxes smooth muscle. In combination with morphine and codeine (a mixture called papaveretum), it is administered by injection as a preanaesthetic medication and for relief of postoperative pain, but is… …   The new mediacal dictionary

  • papaverine hydrochloride — papaverine hydrochloride, a white, slightly bitter powder, a non habit forming narcotic, used to relax smooth muscles. Formula: C20H21NO4•HCl …   Useful english dictionary

  • papaverine — noun Etymology: International Scientific Vocabulary, from Latin papaver poppy Date: 1857 a crystalline alkaloid C20H21NO4 found in opium or made synthetically that is used usually in the form of its hydrochloride chiefly as an antispasmodic for… …   New Collegiate Dictionary

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