False-colour SEM of surface papillae on tongue

False-colour SEM of surface papillae on tongue

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Credit: OMIKRON/SCIENCE PHOTO LIBRARY

Caption: Tongue surface. False-colour scanning electron micrograph (SEM) of the surface of the human tongue. This image clearly shows the intricate pattern of minute surface projections (papillae). By far the more numerous are filiform papillae (blue), also known as conical papillae, which have mechanical and tactile (touch) functions. These papillae also form a rough surface which helps in the chewing and manipulation of food. Fungiform papillae (round, pink) are less numerous, and are well supplied with blood; they contain taste buds under their surface, thus playing a sensory role. Magnification: x94 at 6x7cm, x47 at 35mm size.

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Keywords: anatomy, false-coloured, filiform, filiform papilla, fungiform, fungiform papilla, human body, papilla, taste bud, tongue

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