Muscles of the palate

Question 1

Levator veli palatini

Answer 1

attachments- from the petrous temporal bone adjacent to the carotid canal & the cartilagenous portion of the auditory tube to the soft palate

function- *elevates the soft palate

innervation- vagus nerve (pharyngeal branch)

blood supply- ascending palatine, greater palatine & lesser palatine a.

Question 2

Musculus Uvulae

Answer 2

attachments- from the hard palate (horizontal plate of palatine bone) to the uvular mucosa

function- aids in *palatopharyngeal closure

innervation- vagus n. (pharyngeal branch)

blood supply- ascending palatine & lesser palatine a

Question 3

Palatoglossus

Answer 3

attachments- from the palatine aponeurosis to the lateral aspect of the tongue

function- elevation of the root of the tongue & approximation of the palatoglossal folds

innervation- vagus n. (pharyngeal branch)

blood supply- ascending palatine, ascending pharyngeal & tonsilar a

Question 4

Palatopharyngeus

Answer 4

attachments- from posterior hard palate (horizontal plate of palatine bone) and palatine aponeurosis to the wall of the pharynx

function- elevation of the pharynx & approximation of the palatopharyngeal folds

innervation- vagus n. (pharyngeal branch)

blood supply- ascending palatine, ascending pharyngeal & tonsilar a.

Question 5

Tensor veli palatini

Answer 5

attachments- from the scaphoid fossa, cartilage of the auditory tube & spine of the sphenoid to the palatine aponeurosis (after deflecting around the hamulus)

function- *unilateral deviation & bilateral tension of the soft palate

innervation- *mandibular n.

blood supply- ascending palatine, greater palatine & lesser palatine a