Open wide! What the COLOUR of your tongue could be saying about your health
Black hairy tongue occurs when the papillae on the surface of the tongue grow too because they are not shedding dead skins ...
Medscape3d
The Tongue Speaks in Many Ways
The furred tongue and the black hairy tongue are examples of such incidental benign conditions. Both of these conditions are due to hyperplasia of the filiform papillae, which become ...