Tongue papillae, SEM

Tongue papillae, SEM

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: Tongue papillae. Coloured scanning electron micrograph (SEM) of filiform papillae. These cone- shaped structures are found on the surface of the tongue. They are far more numerous than the taste buds (not seen). Filiform papillae serve a purely mechanical function, giving the tongue its rough feel. Tongue papillae are covered in a layer of squamous epithelial cells, seen forming the scaly base of these papillae. Bacteria (green) are also seen accumulating on the tongue surface. Large numbers of bacteria can form a visible layer that coats the surface of the tongue. Magnification unknown.

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Keywords: anatomy, bacteria, biology, cell, cells, coloured, epithelial, epithelium, filiform, healthy, histological, histology, human body, normal, papilla, papillae, scanning electron micrograph, sem, squamous, tissue, tongue

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