名詞 ergotamine:

1. an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine

er.got.a.mine

n.（名詞）
A crystalline alkaloid, C33H 35N 5O 5, derived from ergot that induces vasoconstriction and is used especially in treating migraine.
麥角胺：一種結晶生物堿，C33H 35N 5O 5，由麥角中提取，有使血管收縮的作用，特別用來治療偏頭痛