CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Tongue surface, coloured scanning electron micrograph (SEM). This sample includes filiform papillae (pointed) and taste buds (round). The tongue is covered in numerous tiny projections, called papillae, which vary in shape, size and colour. The taste buds, sensory receptors concerned with the sense of taste, are located in the epithelium that covers the surface of the tongue, lying in the grooves around the papillae.
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