bufagins

bu·fa·gins

, bufagenins (bū'fă-jinz, bū'fă-jen-inz),
A group of steroids (bufanolides) in the venom of a family of toads (Bufonidae) having a digitalislike action on the heart; cardiac glycosides having a six-membered lactone.
See also: bufotoxins.
Synonym(s): bufogenins