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Medical Term:

tubocurarine chloride

Pronunciation: tū′bō-kyū-ra′rin klōr′īd

Definition: An alkaloid (obtained from the stems of Chondodendron, particularly C. tomentosum) that blocks the action of acetylcholine at the myoneural junction by occupying the receptors competitively; also blocks ganglionic transmission and releases histamine; used to produce muscular relaxation during surgical operations.