¹ Source: wiktionary.com
Medical Definition of Bufagins
1. A group of steroids (bufanolides) in the venom of a family of toads (Bufonidae) having a digitalis-like action upon the heart; cardiac glycosides having a six-membered lactone. See: bufotoxins. Synonym: bufagenins, bufogenins. (05 Mar 2000)