noscapine(redirected from l-alpha-narcotine)
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an alkaloid present in opium; used as a nonaddictive antitussive.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
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.
Farlex Partner Medical Dictionary © Farlex 2012
A nonnarcotic alkaloid obtained from the opium poppy, C22H23NO7, that has antitussive and antitumor properties and has been used as a cough suppressant.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.