10 Styloid process and related muscles

Question 1

what bone is the styloid process part of

Answer 1

temporal bone

Question 2

what muscles come from the styloid process

Answer 2

• stylopharyngeus
• stylohyoid
• styloglossus

Question 3

what does the styloglossus muscle do

Answer 3

• pulls the tongue upwards and backwards

- important in early stages of swallowing

Question 4

what does the stylohyoid muscle do

Answer 4

elevates the hyoid bone during swallowing

Question 5

what does the stylopharyngeus muscle do

Answer 5

• blends into the wall of the pharynx

- stiffens and dilates nasopharynx during swallowing

Question 6

what nerve supplies the styloglossus

Answer 6

hypoglossal nerve

Question 7

what nerve supplies the stylohyoid muscle

Answer 7

facial nerve

Question 8

what nerve supplies the stylopharyngeus nerve

Answer 8

glossopharyngeal nerve

Question 9

what is unusual about the stylopharyngeus nerve

Answer 9

only muscle to be supplied by the glossopharyngeal nerve

Question 10

what pharyngeal arch is the stylopharyngeus muscle derived from

Answer 10

3rd pharyngeal arch

Question 11

apart from the stylopharyngeus muscle, what else does the glossopharyngeal nerve supply

Answer 11

• sensation to oropharynx

- sensation to posterior 1/3 of tongue