CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Tongue. Light micrograph of a section through healthy tongue tissue. The surface of the tongue (across top) consists of stratified squamous epithelium (dark purple) with a rough keratinised surface. Below this are interlacing bundles of muscles, between which are mucous glands. The projections on the surface of the tongue are papillae, which house the taste buds.
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