tubocurarine
noun
tu·bo·cu·ra·rine ˌtü-bō-kyu̇-ˈrär-ən 
ˌtyü-,
-ˌēn
: a toxic alkaloid obtained chiefly from the bark and stems of a South American vine (Chondrodendron tomentosum of the family Menispermaceae) that in its dextrorotatory form constitutes the chief active constituent of curare and has been used in the form of its hydrated hydrochloride C37H41ClN2O6·HCl·5H20 as a relaxant of skeletal muscle especially as an adjunct to anesthesia in surgery
Word History
Etymology
International Scientific Vocabulary tubo- (from Latin tubus tube) + curare + -ine; from its being shipped in sections of hollow bamboo
First Known Use
1898, in the meaning defined above
Medical Definition
tubocurarine
noun
tu·bo·cu·ra·rine ˌt(y)ü-bō-kyu̇-ˈrär-ən, -ˌēn
: a toxic alkaloid that is obtained chiefly from the bark and stems of a South American vine (Chondrodendron tomentosum of the family Menispermaceae), that in its dextrorotatory form constitutes the chief active constituent of curare, and that is used in the form of its hydrated hydrochloride C37H41ClN2O6·HCl·5H2O especially as a skeletal muscle relaxant