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Medical Term:


Pronunciation: pa-pav'er-en


A nonnarcotic benzylisoquinoline alkaloid of opium that has mild analgesic action and is a powerful spasmolytic; has been used to treat male impotence by local injection, which works by inhibiting phosphodiesterase in smooth muscle cells. Also available as papaverine hydrochloride.

[L. papaver, poppy]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.