What is "arenobufagin"

n. (context organic compound English) A cardiotoxic bufanolide steroid secreted by the Argentine toad (taxlink Bufo arenarum species), having similar effects to digitalis.

Arenobufagin is a cardiotoxic bufanolide steroid secreted by the Argentine toad Bufo arenarum. It has effects similar to digitalis, blocking the Na+/K+ pump in heart tissue.