Palatopharyngeus muscle

Palatopharyngeus muscle is a muscle in the human body that is part of the pharynx and the soft palate. It is involved in several important functions, including swallowing and speech.

Anatomy

The palatopharyngeus muscle originates from the hard palate and the palatine aponeurosis, a dense connective tissue that connects the muscle to the palate. It then descends down the side of the throat, where it merges with the muscle fibers of the pharynx.

Function

The primary function of the palatopharyngeus muscle is to help in the process of swallowing. It does this by elevating the pharynx and the larynx, which helps to move food and liquid from the mouth to the esophagus. The muscle also helps to close off the nasopharynx during swallowing, which prevents food and liquid from entering the nasal cavity.

In addition to its role in swallowing, the palatopharyngeus muscle also plays a role in speech. It helps to control the opening of the Eustachian tube, which equalizes pressure in the middle ear and is necessary for normal hearing.

Clinical significance

Dysfunction of the palatopharyngeus muscle can lead to a variety of problems, including dysphagia (difficulty swallowing), nasal regurgitation (when food or liquid comes back up through the nose), and ear infections. In some cases, surgical intervention may be necessary to correct these problems.

See also

• Pharynx
• Soft palate
• Swallowing
• Speech

References

Palatopharyngeus muscle Resources
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