DefinitionA benign condition of the tongue characterized by hypertrophy of the filiform papillae that give the dorsum of the tongue a furry appearance. The colour of the elongated papillae varies from yellowish white to brown or black, depending upon staining by substances such as tobacco, food, or drugs. (Dorland, 27th ed) | SynonymeLingua nigra villosa, Schwarze Haarzunge, Haarzunge, schwarz, Lingua nigra pilosa |
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