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jadnebalasca
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Alveolar arch
Behind the top teeth
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Hard palate
made up of palatine process of maxilla and palatine process of palatal bone
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Soft palate (velum)
Palatal aponeurosis
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Rugae
transverse ridges posterior to alveolar arch
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Palatal vault
configuration varies (some high, narrow, wide, flat etc)
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Levator veli palatine
- Origin: petrous portion of the temporal bone and medial wall of Eustachian tube
- Insertion: palatal aponeurosis
- Action: elevates and retracts the velum
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Tensor veli palatine
- Origin: medial pterygoid plate of sphenoid and side walls of Eustachian tube
- Insertion: palatal aponeurosis
- Action: opens the Eustachian tube and stiffens palate
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Musculus uvula
- Origin: posterior nasal spine of palatal bone
- Insertion: palatal aponeurosis
- Action: shortens the palate
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Palatoglossus
- Origin can pull insertion and vice versa
- Forms the posterior faucial pillar
Origin: palatal aponeurosis - Insertion: pharyngeal aponeurosis as far down as the area of the thyroid cartilage
- Action: muscles narrows the pharynx and lower the soft palate
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