ergotoxine

noun
er·​go·​tox·​ine | \ ˌər-gə-ˈtäk-ˌsēn How to pronounce ergotoxine (audio) , -sən How to pronounce ergotoxine (audio) \

Medical Definition of ergotoxine

1 : a crystalline pharmacologically active alkaloid C35H39N5O5 from ergot that is stereoisomeric with ergotinine
2 : a mixture of isomorphous pharmacologically active alkaloids from ergot

called also ergotoxine group