STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Cat's tongue. Coloured scanning electron micrograph (SEM) of the surface of a cat's (family Felidae) tongue. The tongue is covered in many backward facing papillae (projections). These tough structures are used to clean the cat's fur and to rasp meat from its prey. Magnification: x15 when printed at 10 centimetres wide.
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