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Definition of Black tongue
1. Noun. A benign side effect of some antibiotics; dark overgrowth of the papillae of the tongue.
Medical Definition of Black tongue
1. In canines, a disorder associated with a deficency of nicotinic acid. Black to yellowish brown discoloration of the dorsum of the tongue due to staining by exogenous material such as the components of tobacco; usually superimposed on hairy tongue. Synonym: lingua nigra, melanoglossia, nigrities linguae. (05 Mar 2000)
Lexicographical Neighbors of Black Tongue
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