palate muscles Flashcards
Levator veli palatini
O:Temporal bone (petrous portion)
and auditory tube
I:Palatine aponeurosis
N:Vagus nerve via pharyngeal
plexus
A:Elevates soft palate during swallowing
Musculus uvulae
O:Nasal spine, palatine aponeurosis
I:Mucosa of uvula of the palate
N;Vagus nerve via pharyngeal
plexus
A:Shortens, elevates, and retracts uvula of the palate
Palatoglossus
O:Palatine aponeurosis of soft palate
I:Lateral aspect of tongue
N:Vagus nerve via pharyngeal
plexus
A:Elevates posterior tongue,
depresses palate
Tensor veli palatini
O: Scaphoid fossa of medial pterygoid plate, spine of sphenoid bone, pharyngotympanic (auditory, eustachian) tube
I: Palatine aponeurosis
N:Mandibular nerve
A:Tenses soft palate, opens
pharyngotympanic (auditory, eustachian) tube during swallowing and yawning
Palatopharyngeus
O:Hard palate, superior palatine
aponeurosis
I:Lateral pharyngeal wall
N:Vagus nerve via pharyngeal
plexus
A:Tenses soft palate; pulls walls of pharynx superiorly, anteriorly, and medially during swallowing