Anatomy revision session

Question 1

name the four psymp ganglia of the head and neck

Answer 1

ciliary
pterygopalatine
submandibular
otic

Question 2

what is the function of the ciliary ganglion

Answer 2

controls sphincter pupillae (miosis) and ciliaris (accommodation via zonula fibres)

Question 3

what is the function of the pterygopalatine ganglion

Answer 3

innervates the lacrimal glands and nasal mucosa

Question 4

what roots make up the pterygopalatine ganglion

Answer 4

greater petrosal nerve and nervus intermedius (facial)
maxillary
superior cervical ganglion

Question 5

what roots make up the submandibular gland

Answer 5

psymp secretomotor supply to the submandibular and sublingual glands
sympathetics from the external carotid plexus
psymp from superior salivatory nucleus

Question 6

what is the function of the otic nerve

Answer 6

innervates the parotid gland

inferior salivatory nucleus of the glossopharyngeal nerve

Question 7

what is the effect of injury to the occulomotor nerve

Answer 7

dilated pupil with ptosis

eye turns down and out

Question 8

what is the function of the superior salivatory nucleus

Answer 8

psymp secretomotor to lacrimal gland, nasal and oral cavities, submand and subling glands (via nervus intermedius)

Question 9

what nerve does chorda tympani arise from

Answer 9

7, just before the stylomastoid foramen