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Foliate papillae

Recommended video: Lingual papillae [10:31]
Sectional block diagram showing the different lingual papillae.

Lingual papillae is a term given to the ridges and shapes found on the dorsal surface of the tongue, in the oral cavity. They are important for the anatomy of taste. Humans have four types of papillae; filiform papillae, fungiform papillae, foliate papillae and circumvallate papillae.

Foliate papillae are small sized vertical folds located on the tongue’s posterolateral sides, just anterior to the palatoglossal arch of fauces. Four or five in number, they are found in the lingual mucosa and have a covering layer of non-keratinized epithelium. Anterior foliate papillae located are innervated by the facial nerve, while posterior foliate papillae located are innervated by the glossopharyngeal nerve. Foliate papillae are richly covered with taste receptor cells, taste buds.

Terminology English: Foliate papillae
Latin: Papillae foliatae
Definition and function Foliate papillae are small folds located bilaterally on the posterolateral sides of the tongue. They are richly covered with taste buds.

Learn more about the lingual papillae with this study unit:

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