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Pronunciation: nos'ka-pen

Definition: An isoquinoline alkaloid, occurring in opium, with papaverinelike action on smooth muscle; suppresses the cough reflex and this is used as an antitussive; it does not appear to cause addiction.

Synonym(s): l-a-narcotine, opianine

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.