an alkaloid derived from ergot (trade name Ergotrate Maleate) that is less toxic than ergot; induces muscular contraction of the uterus and is administered after childbirth or abortion
例句
用作名词 (n.)
Coronary angiography and ergonovine test comfirmed right artery sp asm. 冠脉造影和麦角新碱激发试验证实右冠状动脉痉挛的存在。