| nigrities | A black pigmentation. Origin: L. Blackness, fr. Niger, black (05 Mar 2000) |
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| nigrities linguae | 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) |
| nigrities |
blackness.
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