epibatidine


ep·i·ba·ti·dine

(ep'i-ba'ti-dēn), A toxic alkaloid extracted from the skin of a South American frog, Epipedobates tricolor. Apparently derived from particular insects consumed in the Amazon basin. The crude extract has been used as an arrow poison by native hunters; exerts analgesia by a mechanism other than activation of opiate receptors or cyclooxygenase inhibition.