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digitoxin
[ dij-i-tok-sin ]
noun
Pharmacology.
- a white, crystalline, water-insoluble cardiac glycoside, C 41 H 64 O 13 , 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.
digitoxin
/ ˌɪɪˈɒɪ /
noun
- 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
digitoxin
/ ĭ′ĭ-ŏ′ĭ /
- A highly active glycoside derived from digitalis and prescribed in the treatment of certain cardiac conditions. Chemical formula: C 41 H 64 O 13 .
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51Թ History and Origins
Origin of digitoxin1
First recorded in 1880–85; digi(talis) + toxin
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51Թ History and Origins
Origin of digitoxin1
from digi ( talis ) + toxin
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Example Sentences
Examples have not been reviewed.
Foxglove - digitalis - is a source of digitoxin, a glycoside in the drug digitalis, which has been used as a heart stimulant since 1785.
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And in its action on the heart the digitonin dilates the coronary arteries, according to Macht, while the digitoxin acts on the heart muscle.
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The most powerful is digitoxin C34H54O11, an extremely poisonous and cumulative drug, insoluble in water.
From
The tincture contains a fair proportion of both digitalin and digitoxin.
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