Parotid gland

Question 1

how does the parotid gland vary between individuals

Answer 1

in size and shape and some have accessory glandular tissue that usually follows the path of the parotid duct across the cheek

Question 2

what kind of tissue is the parotid gland

Answer 2

salivary gland - serous acini only

Question 3

the duct of the salivary gland leaves the ____ side of the gland and crosses the anterior surface of ____

Answer 3

large duct that leaves the medial side of the gland and crosses the anterior surface of masseter

Question 4

where is the duct of the parotid gland found

Answer 4

single duct 1 finger’s breadth below zygomatic arch

Question 5

the parotid gland has a dense fibrous capsule that extends as what

Answer 5

stylomandibular ligament

Question 6

the stylomandibular ligament intervenes between what

Answer 6

parotid and submandibular salivary glands

Question 7

the duct of the parotid gland takes a sharp medial turn to pierce ____ to enter oral cavity where

Answer 7

buccal fat pad and buccinator

enter oral cavity at upper second molar

Question 8

where does the duct of the parotid gland enter the oral cavity

Answer 8

upper second molar

Question 9

when is the parotid gland palpable

Answer 9

if tense masseter muscle

Question 10

what is the function of saliva

Answer 10

lubricate oral cavity and create a smooth food bolus that is easier to swallow

Question 11

what is the parotid gland innervated with

Answer 11

parasympathetic secretomotor innervation from the glossopharyngeal nerve (CN IX)

Question 12

what is buccinator

Answer 12

muscle of facial expression that forms the lateral walls of the oral cavity

Question 13

how does the facial nerve exit the skull

Answer 13

via the stylomastoid foramen

Question 14

the facial nerve passes into the parotid gland and does what

Answer 14

divides the gland into superficial and deep parts

Divides into branches that leave the gland and pass across the face to supply the muscles of facial expression

Question 15

what supplies motor the muscles of facial expression

Answer 15

facial nerve CN VII

Question 16

what are the branches of the facial nerve that arise from the parotid gland

Answer 16

temporal
zygomatic
buccal
marginal mandibular
cervical

Question 17

what is the branch of the facial nerve that passes posterior to the auricle

Answer 17

posterior auricular

Question 18

what does the posterior auricular nerve supply

Answer 18

posterior belly of occiptofrontalis (muscle of scalp that is also classes as a muscle of facial expression)

Question 19

what is found deep to the facial nerve within the parotid gland

Answer 19

retromandibular vein

external carotid artery

Question 20

the superficial temporal vein drains the scalp and joins with the _____ vein to form the ______ vein

Answer 20

the superficial temporal vein drains the scalp and joins with the maxillary vein to form the retromandibular vein within the parotid

Question 21

what vein forms within the parotid and from what

Answer 21

retromandibular vein forms within the parotid from the superficial temporal vein and the maxillary vein

Question 22

the retromandibular vein contributes to what

Answer 22

formation of external jugular vein

Question 23

what artery enters the parotid gland and divides to form its terminal branches

Answer 23

external carotid artery

Question 24

what are the terminal branches of the external carotid artery

Answer 24

superficial temporal artery and maxillary artery

Question 25

what does the superficial temporal artery supply

Answer 25

scalp

Question 26

where does the maxillary artery pass

Answer 26

into the infratemporal fossa

Question 27

what is the deepest structure in the parotid gland

Answer 27

auriculotemporal nerve

Question 28

the auriculotemporal nerve is a branch of what

Answer 28

branch of the trigeminal nerve

Question 29

the auriculotemporal nerve runs with what

Answer 29

superficial temporal vessels

Question 30

what are other superficial vessels in the face

Answer 30

posterior auricular vessels transverse facial artery facial vessels

Question 31

what divides the parotid gland into deep and superficial parts

Answer 31

facial nerve CN VII

Question 32

what nerve lies superficial to the parotid gland

Answer 32

greater auricular nerve

Question 33

what muscle lies deep to the parotid gland

Answer 33

superior constrictor of pharynx

Question 34

the parotid gland has lymph nodes that drain what

Answer 34

the gland | part of forehead and orbital region

Question 35

what are the main groups of lymph nodes of the head and neck

Answer 35

``` parotid mastoid occipital deep cervical superficial cervical submental submandibular ```

Question 36

the secretomotor parasympathetic nerves that supply the parotid gland are from what

Answer 36

glossopharyngeal nerve CN IX

Question 37

why do the parasympathetic nerves to the parotid gland need to hitch a lift with part of the trigeminal nerve

Answer 37

main part of glossopharyneal nerve doesnt pass into the face

Question 38

the trigeminal nerve (CN V) supplies what

Answer 38

sensory to face

Question 39

the glossopharyngeal nerve exits the skull via

Answer 39

jugular foramen

Question 40

post-ganglionic sympathetic fibres to the parotid gland are from where

Answer 40

plexus around ECA

Question 41

as the glossopharyngeal nerve exits the skull via the jugular foramen, some preganglionic parasympathetic nerve fibres leave the mean part of the nerve to form

Answer 41

tympanic part

Question 42

the tympanic part of the glossopharyngeal nerve passes where

Answer 42

into a plexus in the middle ear

Question 43

the tympanic part of the glossopharyngeal nerve passes into a plexus in the middle ear, from this plexus a nerve called the ____ is formed

Answer 43

lesser petrosal nerve

Question 44

from what is the lesser petrosal formed

Answer 44

plexus in the middle ear

Question 45

the lesser petrosal nerve joins what

Answer 45

otic ganglion

Question 46

where is the otic ganglion

Answer 46

lies at the opening of the foramen ovale

Question 47

what happens in the otic ganglion

Answer 47

pre-ganglionic nerves from the glossopharyngeal nerve synpase with post-ganglionic parasympathetic nerves

Question 48

the post-ganglionic parasympathetic nerve fibres from the otic ganglion are carried by what nerve

Answer 48

auriculotemporal nerve (branch of trigeminal)

Question 49

what carries parasympathetic innervation to the deep part of the parotid gland

Answer 49

auriculotemporal nerve carries post-synaptic parasympathetic nerve fibres from the otic ganglion