Medical Term:
black tongue
Definition:
- 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(s): black hairy tongue, lingua nigra, melanoglossia, nigrities linguae
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Examples: glitazone, GI cocktail, etc.
