Medical Dictionary

digitalis


digitalis

noun dig·i·tal·is \-əs\

Definition of DIGITALIS

1
a capitalized :  a genus of Eurasian herbs of the snapdragon family (Scrophulariaceae) that have alternate leaves and racemes of showy bell-shaped flowers and comprise the foxgloves b :  foxglove
2
:  the dried leaf of the common European foxglove (Digitalis purpurea) that contains physiologically active glycosides, that is a powerful cardiotonic acting to increase the force of myocardial contraction, to slow the conduction rate of nerve impulses through the atrioventricular node, and to promote diuresis, and that is used in standardized powdered form especially in the treatment of congestive heart failure and in the management of atrial fibrillation, atrial flutter, and paroxysmal tachycardia of the atria; broadly :  any of various glycosides (as digoxin or digitoxin) that are constituents of digitalis or are derived from a related foxglove (D. lanata)
March 05, 2015
ilk Hear it
Sort or kind
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears