papaverine


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 now rarely used. It may cause abnormal heart rate. Papaverine may also be given by injection into the corpora cavernosa of the penis to treat erectile dysfunction.

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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 — 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

  • papaverine — Constituent of opium that acts as a smooth muscle relaxant probably by blocking membrane calcium channels and inhibiting phosphodiesterase …   Dictionary of molecular biology

  • papaverine — /peuh pav euh reen , euhr in, peuh pay veuh reen , veuhr in/, n. Pharm. a white, crystalline, nonnarcotic, alkaloidal powder, C20H21NO4, obtained from opium, but not a morphine derivative and not habit forming or addicting, used in the treatment… …   Universalium