What Causes Black Hairy Tongue? A black hairy tongue is caused by too much bacteria or yeast growth in the mouth. The bacteria build up on tiny rounded projections called papillae. These lie along the ...

The tongue is a muscular organ in the mouth. It's covered with moist, pink tissue called mucosa. Tiny bumps called papillae give the tongue its rough texture. Thousands of taste buds cover the ...

Anyone who owns a cat knows the furry beasts can spend an inordinate amount of time grooming themselves. Cats take that sandpaper tongue of theirs and just lick and lick and lick and lick for ...

If you can get over the whole spitting thing, camels are pretty cute—at least until they open up their mouths. It's like staring into the Sarlacc pit from Return of the Jedi. What are those little ...

Cumberland Valley Animal Shelter answers your pet-related questions. Today's column is all about cats and some of the quirks of their anatomy. Meet the pets of the week: Grand Mama, an 8-year-old ...

A trio of researchers at the University of Akron in Ohio has conducted a study of the polar bear paw with a focus on the papillae—the microstructures on the footpad that help with traction. Nathaniel ...

If you can get over the whole spitting thing, camels are pretty cute—at least until they open up their mouths. It's like staring into the Sarlacc pit from Return of the Jedi. What are those little ...