OVERSEAS / COLLECTION CNRI / SCIENCE PHOTO LIBRARY OVERSEAS / COLLECTION CNRI / SCIENCE PHOTO LIBRARY
Tongue taste buds, light micrograph. 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. The papillae are seen in longitudinal section here, with the taste buds (rounded) at centre and far left.
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