What is the function of the palatopharyngeal arch?

What is the function of the palatopharyngeal arch?

Its function is to tense the soft palate and pull the pharyngeal walls superiorly, anteriorly, and medially during swallowing, effectively closing off the nasopharynx from the oropharynx.

What is palatopharyngeal?

The palatopharyngeus (palatopharyngeal or pharyngopalatinus) muscle is a small muscle in the roof of the mouth.

What are the palatoglossal and palatopharyngeal arches?

Palatoglossal and palatopharyngeal arches The palatoglossal arch is located anteriorly. It contains the palatoglossus muscle and connects the soft palate with the root of the tongue. The palatopharyngeal arch is found posteriorly and it contains the palatopharyngeus muscle.

What is the main function of the soft palate?

The soft palate plays an essential role in blocking food and other substances from entering the nasal passages during swallowing and is important in the formation of certain sounds in speech production.

What is Glossopalatine Arch?

The anterior pillar of the fauces; one of two folds of mucous membrane extending from the soft palate to the sides of the tongue.

What does tensor veli palatini do?

Function. The tensor veli palatini tenses the soft palate and by doing so, assists the levator veli palatini in elevating the palate to occlude and prevent entry of food into the nasopharynx during swallowing.

What is the palatoglossal arch?

pal·a·to·glos·sal arch [TA] one of a pair of ridges or folds of mucous membrane passing from the soft palate to the side of the tongue; it encloses the palatoglossus muscle and forms the anterior margin of the tonsillar fossa.

What does the palatoglossus muscle do?

The palatoglossus muscle functions to elevate the posterior portion of the tongue. It also draws the soft palate inferiorly, thereby narrowing the diameter of the oropharyngeal isthmus.

Where is the palatoglossal arch?

The palatoglossal arch (glossopalatine arch, anterior pillar of fauces) on either side runs downward, lateral (to the side), and forward to the side of the base of the tongue, and is formed by the projection of the glossopalatine muscle with its covering mucous membrane.

What muscle makes up the palatoglossal arch?

The palatoglossus or palatoglossal muscle is a muscle of the soft palate and extrinsic muscle of the tongue. Its surface is covered by oral mucosa and forms the visible palatoglossal arch….

Palatoglossus muscle
Origin Palatine aponeurosis
Insertion Tongue
Nerve Vagus nerve (via pharyngeal branch to pharyngeal plexus)

What is the function of the soft and hard palate?

The soft palate and hard palate form the roof of the mouth. The soft palate is at the back of the roof, and the hard palate is the bony part of the roof closer to the teeth. The main functions of the soft palate are to aid speech, swallowing, and breathing.

What is the function of the soft palate quizlet?

During a swallow the soft palate is raised to prevent material moving into the nasal cavity (which poses infection risk). The position of the soft palate controls the relative degree of nasalisation of sounds.