Glossopharyngeal n. (CN IX)

Question 1

Tympanic n.

Answer 1

function- sensory innervation of the middle ear, and preganglionic parasympathetic (inferior salivatory nucleus of the medulla) innervation of the otic ganglion

Question 2

Carotid branch

Answer 2

function- sensory innervation of the carotid sinus and body

Question 3

Pharyngeal branches

Answer 3

function- sensory innervation of the mucosa of the upper pharynx

Question 4

Tonsillar branches

Answer 4

function- sensory innervation of the tonsillar mucosa

Question 5

Lingual branches

Answer 5

function- sensory innervation of the mucosa and taste from posterior 1/3rd of the tongue

Question 6

N. to the stylopharyngeus m.

Answer 6

function- sensory & motor (nucleus ambiguus of the medulla) innervation of the stylopharyngeus muscle