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Definition of Cinchona bark
1. Noun. Medicinal bark of cinchona trees; source of quinine and quinidine.
Exact synonyms: Cinchona, Jesuit's Bark, Peruvian Bark
Group relationships: Chinchona, Cinchona
Generic synonyms: Bark
Group relationships: Chinchona, Cinchona
Generic synonyms: Bark
Medical Definition of Cinchona bark
1. A genus of rubiaceous south american trees that yields the toxic cinchona alkaloids from their bark; quinine, quinidine, chinconine, cinchonidine and others are used to treat malaria and cardiac arrhythmias. (12 Dec 1998)