Muscles of Soft Palate
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Muscles of Soft Palate

Muscles Of Head And Neck

General Anatomy

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Muscles of Soft Palate

1. Tensor veli palatini

Origin:

  1. Lateral side of auditory tube
  2. Adjoining part of the base of the skull (greater wind and scaphoid fossa of sphenoid bone)

Insertion:

Muscle descends, and flattens out to form the palatine aponeurosis which is attached to the following:

  1. Posterior border of hard palate
  2. Inferior surface of palate behind the palatine crest

Actions:

  1. Tightens the anterior part soft palate
  2. Equalizes air pressure between the middle ear and the nasopharynx

 

 

2. Levator veli palatini

  1. Inferior aspect of auditory tube
  2. Adjoining part of the inferior surface of petrous temporal bone

Insertion:

Muscle is inserted into the upper surface of the palatine aponeurosis

Actions:

  1. Elevates soft palate and closes the pharyngeal isthmus
  2. Opens the auditory tune

 

 

 

3. Musculus uvulae

Origin:

Posterior nasal spine and palatine aponeurosis

Insertion:

Mucous membrane of uvula

Actions:

Pulls up the uvula

 

 

4. Palatoglossus

Origin:

Oral surface of palatine aponeurosis

Insertion:

Descends in the palatoglossal arch, to the side of the tongue at the junction of its oral and pharyngeal parts

Actions:

Closes the oropharyngeal isthmus

 

 

5. Palatopharyngeus

Origin:

  1. Anterior fasciculus
  2. Posterior fasciculus

Insertion:

It is inserted into the following:

  1. Posterior border of the lamina of the thyroid cartilage
  2. Wall of the pharynx and its median raphe

Actions:

Shortens pharynx during swallowing

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