OVERSEAS / COLLECTION CNRI / SPL OVERSEAS / COLLECTION CNRI / SPL
Taste buds on the tongue. Light micrograph of a section through several papillae on the surface of a human tongue, showing taste buds. Each papilla is covered with a squamous epithelium many cell layers thick (pink) and hardened with keratin. In the cleft on the side of each papilla, can be seen taste buds which resemble fans of paler, elongated cells. Each taste bud opens onto the surface through an aperture, the gustatory pore, visible as a dark spot. Taste buds contain gustatory sensory cells and serve to detect sweet, salty, sour, or bitter chemicals. Magnification: x110 when printed at 10cm wide.
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