False colour SEM of a filiform papilla on tongue

False colour SEM of a filiform papilla on tongue

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This image is part of the feature Landscapes Of The Human Body

Credit: PROF. P. MOTTA/DEPT. OF ANATOMY/UNIVERSITY "LA SAPIENZA", ROME/SCIENCE PHOTO LIBRARY

Caption: False-colour scanning electron micrograph (SEM) of a filiform papilla emerging from the tongue's surface. It is partly covered by green coloured bacteria which may derive from a mouth infection. Filiform papillae, also known as conical papillae, are covered by epithelial cells apart from their white tips which are formed by the fibrous protein keratin in order to increase the papillae's strength. Filiform papillae have mechanical and tactile functions. They form a rough surface which helps mastication. Each papilla contains nerve endings which transmit tactile information to the brain. Magnification: x1100 at 6x7cm size.

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Keywords: anatomy, bacteria, conical papilla, filiform, filiform papilla, human body, papilla, tongue

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