Lingua

Lingua is a term used in anatomy to refer to the tongue. It is a vital organ that plays a significant role in speech, taste, and digestion. The lingua is composed of multiple parts, including the tip, blade, dorsum, and root.

Anatomy of the Lingua

The lingua is divided into two parts: the anterior two-thirds, known as the oral part, and the posterior third, known as the pharyngeal part. The two parts are separated by the v-shaped terminal sulcus.

The oral part of the lingua is covered in small bumps called papillae, which contain the taste buds. The pharyngeal part contains lymphoid tissue, forming the lingual tonsil.

Functions of the Lingua

The lingua has several functions, including:

• Speech: The lingua is crucial for articulation, as it helps to form the sounds of speech.
• Taste: The taste buds on the lingua allow us to perceive different flavors.
• Digestion: The lingua aids in the process of mastication by moving food around the mouth. It also helps in swallowing by pushing the food towards the throat.

Disorders of the Lingua

There are several disorders that can affect the lingua, including:

• Glossitis: This is inflammation of the lingua, which can cause changes in color and texture.
• Oral cancer: This can occur on the lingua, particularly in people who smoke or consume alcohol.
• Geographic tongue: This condition causes a map-like pattern to appear on the lingua.

See Also

• Oral anatomy
• Taste bud
• Speech production

Lingua Resources
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