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单词 blacktongue
释义 DictionarySeeblack tongue

blacktongue


blacktongue

[′blak‚təŋ] (veterinary medicine) A niacin-deficiency disease of dogs, with black discoloration of the tongue.

Blacktongue


(1) A hyperpigmented tongue seen in dogs with niacin deficiency, equivalent to pellagra
(2) The natural colour of the tongue of the chow-chow and shar-pei breeds of dogs. Regarded as a form of benign pigmentation, any dog can have a black tongue
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