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    Rights: University of Waikato Published 5 April 2018 Size: 13 KB Referencing Hub media

    There are 9–14 circumvallate papillae on the back of the tongue arranged in a V formation pointing towards the throat. They are peg-like structures with a large number of taste buds arranged in tiers in troughs on their inner walls.

    Image: University of Waikato