a crystalline, water-soluble polypeptide, C33H35N5O5, obtained from ergot, used to stimulate uterine contractions during labor and in the treatment of migraine.
er·got·a·mine (ûr-gŏt'ə-mēn', -mĭn) n. A crystalline alkaloid, C33H35N5O5, derived from ergot that induces vasoconstriction and is used especially in treating migraine.
Main Entry: er·got·a·mine Pronunciation: (")&r-'gät-&-"mEn Function: noun : an alkaloidC33H35N5O5 that is derived from ergot and is used chiefly in the form of its tartrate especially in treating migraine
ergotamine er·got·a·mine (ûr-gŏt'ə-mēn', -mĭn) n. A crystalline alkaloid derived from ergot that induces vasoconstriction and is used especially in treating migraine.