Dictionary.com
definitions
  • synonyms

belladonna alkaloids

pl.n.
  1. A group of alkaloids, including atropine and scopolamine, found in plants such as belladonna, used to dilate the pupils, dry respiratory passages, prevent motion sickness, and relieve cramping of the intestines and bladder.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.