- a white, crystalline, water-insoluble cardiac glycoside, C41H64O13, or a mixture of cardiac glycosides of which this is the chief constituent, obtained from digitalis and used in the treatment of congestive heart failure.
Origin of digitoxin
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Examples from the Web for digitoxin
An instructive case of poisoning by digitoxin occurred in the person of Dr. Koppe, in the course of some experiments on the drug.
Digitalin and digitoxin are par excellence the poisonous principles of the plant.
The benzene dissolves digitalein, and the chloroform, digitalin and digitoxin.
The most powerful is digitoxin C34H54O11, an extremely poisonous and cumulative drug, insoluble in water.
The tincture contains a fair proportion of both digitalin and digitoxin.
- a white toxic bitter-tasting glycoside, extracted from the leaves of the purple foxglove (Digitalis purpurea) and used in the treatment of heart failure and some abnormal heart rhythms. Formula: C 41 H 64 O 13
from digi (talis) + toxin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A secondary cardioactive glycoside that is derived from and similar in effect to digitalis but that is more completely absorbed from the gastrointestinal tract.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A highly active glycoside derived from digitalis and prescribed in the treatment of certain cardiac conditions. Chemical formula: C41H64O13.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.