Tongue, surface with papillae
The upper surface of the tongue is covered with filiform papillae, which appear whitish in these images.
Each whitish tip is a bit of keratinized epithelium. In between, the epithelium is non-keratinized.
Occasional small pink projections are fungiform papillae, which are the sites where taste buds occur.
Taste buds occur ONLY on the sides of fungiform papillae, and on a few large circumvallate papillae located at the back of the tongue (not visible on this view).
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Last updated: 14 January 2002 / dgk