Black tongue

blacktongue

[blak-tuhng]
noun Veterinary Pathology.
canine pellagra.

Origin:
1825–35, Americanism; black + tongue

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American Heritage
Medical Dictionary

black tongue n.
The presence of a blackish- to yellowish-brown patch or patches on the tongue, accompanied by elongation of the papillae. Also called melanoglossia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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