Lingual papillae

Lingual Papillae

The Lingual Papillae are small, bumpy structures on the upper surface of the tongue that give it its characteristic rough texture. They are involved in the processes of taste and tactile sensation.

Types of Lingual Papillae

There are four types of lingual papillae, each with a different structure and function:

• Fungiform papillae: These are mushroom-shaped and scattered across the tongue. They contain taste buds and are involved in the perception of taste.

• Filiform papillae: These are the most numerous type of papillae. They are cone-shaped and do not contain taste buds. Their main function is to provide a rough surface for the tongue, which aids in the manipulation of food.

• Foliate papillae: These are ridges and grooves towards the back of the tongue. They contain taste buds and are involved in the perception of taste.

• Circumvallate papillae: These are large papillae located at the back of the tongue. They contain taste buds and are involved in the perception of taste.

Function of Lingual Papillae

The primary function of the lingual papillae is to increase the tongue's surface area and provide a rough texture that aids in the manipulation of food. The papillae that contain taste buds (fungiform, foliate, and circumvallate) are also involved in the perception of taste.

Clinical Significance

Changes in the appearance or sensation of the lingual papillae can be a sign of various medical conditions, such as geographic tongue, glossitis, or oral cancer. Therefore, regular examination of the tongue and its papillae is an important part of oral health care.

See Also

• Taste bud
• Tongue
• Oral mucosa

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