OVERSEAS / COLLECTION CNRI / SPL OVERSEAS / COLLECTION CNRI / SPL
Tongue papillae. Light micrograph of section through a human tongue showing papillae. Papillae are the tiny projections that give the tongue its rough texture. The filiform papillae (conical structures) are the most numerous type of papilla. They consist of a surface projection, which is mainly keratin (a structural protein, stained red), and may contain a connective tissue core. They serve a solely mechanical function; other types of papilla are involved in tasting and sensing touch. Magnification: x110 when printed at 10cm wide.
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