Muscles of the Soft Palate (oral cavity)

Question 1

What are the muscles of the Soft Palate?

Answer 1

Levator Veli Palatini, Tensor Veli Palatini, Palatoglossus, Palatopharyngeus, Musculus Uvulae

Question 2

What is the origin of the Levator Veli Palatini muscle?

Answer 2

auditory tube

Question 3

What is the insertion of the Levator Veli Palatini muscle?

Answer 3

palatine aponeurosis

Question 4

What is the innervation of the Levator Veli Palatini muscle?

Answer 4

vagus nerve via pharyngeal plexus (CN IX, X, XI)

Question 5

What is the blood supply of the Levator Veli Palatini muscle?

Answer 5

ascending pharyngeal artery

Question 6

What is the action of the Levator Veli Palatini muscle?

Answer 6

raises soft palate during swallowing

Question 7

What is noteworthy about the Levator Veli Palatini muscle?

Answer 7

derivative of fourth pharyngeal arch

Question 8

What is the origin of the Tensor Veli Palatini muscle?

Answer 8

auditory tube

Question 9

What is the insertion of the Tensor Veli Palatini muscle?

Answer 9

palatine aponeurosis

Question 10

What is the innervation of the Tensor Veli Palatini muscle?

Answer 10

mandibular division of CN V

Question 11

What is the blood supply of the Tensor Veli Palatini muscle?

Answer 11

ascending pharyngeal artery

Question 12

What is the action of the Tensor Veli Palatini muscle?

Answer 12

tenses soft palate, opens auditory tube

Question 13

What is noteworthy about the Tensor Veli Palatini muscle?

Answer 13

tendon hooks around pterygoid hamulus

Question 14

What is the origin of the Palatoglossus muscle?

Answer 14

palatine aponeurosis

Question 15

What is the insertion of the Palatoglossus muscle?

Answer 15

side of tongue

Question 16

What is the innervation of the Palatoglossus muscle?

Answer 16

vagus nerve via pharyngeal plexus (CN IX, X, XI)

Question 17

What is the blood supply of the Palatoglossus muscle?

Answer 17

tonsilar branch of facial artery

Question 18

What is the action of the Palatoglossus muscle?

Answer 18

forms palatoglossal arch, elevates posterior part of tongue

Question 19

What is noteworthy about the Palatoglossus muscle?

Answer 19

belongs to palate rather than tongue muscle

Question 20

What is the origin of the Palatopharyngeus muscle?

Answer 20

palatine aponeurosis

Question 21

What is the insertion of the Palatopharyngeus muscle?

Answer 21

upper part of wall of pharynx

Question 22

What is the innervation of the Palatopharyngeus muscle?

Answer 22

vagus nerve via pharyngeal plexus (CN IX, X, XI)

Question 23

What is the blood supply of the Palatopharyngeus muscle?

Answer 23

ascending pharyngeal artery

Question 24

What is the action of the Palatopharyngeus muscle?

Answer 24

forms Palatopharyngeus arch

Question 25

What is noteworthy about the Palatopharyngeus muscle?

Answer 25

part of inner longitudinal muscle layer of pharynx

Question 26

What is the origin of the Musculus Uvulae muscle?

Answer 26

posterior nasal spine

Question 27

What is the insertion of the Musculus Uvulae muscle?

Answer 27

mucosa of uvula

Question 28

What is the innervation of the Musculus Uvulae muscle?

Answer 28

vagus nerve via pharyngeal plexus (CN IX, X, XI)

Question 29

What is the blood supply of the Musculus Uvulae muscle?

Answer 29

lesser palatine artery

Question 30

What is the action of the Musculus Uvulae muscle?

Answer 30

shortens the uvula (fingerlike process at the posterior part of soft palate)

Question 31

What is noteworthy about the Musculus Uvulae muscle?

Answer 31

soft palate and uvula resist upward pressure of tongue during swallowing