ergotamine

(ʉr gätə mēn′, -min)

noun

an alkaloid, CHON, isolated from ergot and used esp. in the treatment of migraine headaches

Origin: ergot + amine

See ergotamine in American Heritage Dictionary 4

noun
A crystalline alkaloid, C33H35N5O5, derived from ergot that induces vasoconstriction and is used especially in treating migraine.

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