parotid gland + facial n Flashcards
opening of the parotid papilla
orifice of the parotid duct (or Stensen’s duct orifice)
what other vessels travel through the parotid gland (run up and down)
retromandibular vein and external carotid artery
marginal mandibular branch supplies
- risorius
- orbicularis oris
- depressor anguli oris
- depressor labii inferioris
- mentalis
in the substance of the parotid gland, facial n branches into
- temporofacial trunk
- cervicofacial trunk
which branches arise within the parotid gland
- temporal
- zygomatic
- buccal
- marginal mandibular
- cervical
facial n exits PCF via
internal acoustic meatus
name all branches of facial n
- posterior auricular n
- digastric branch
- temporal
- zygomatic
- buccal
- marginal mandibular
- cervical
path of parotid duct
- leaves anterior edge of gland
- transverses face across masseter m
- pierces buccinator m
- enters mouth at max 2nd molar
largest salivary gland in the head
parotid gland
what travels between the superficial and deep portions of the parotid gland
facial nerve (and its branches)
zygomatic branch supplies
- inferior portion of orbicularis oculi
- inferior portion of procerus
- nasalis
- levator labii superioris alaeque nasi
- zygomaticus mm
- levator labii superioris
- levator anguli oris
facial n emerges from base of skull via
stylomastoid foramen
temporal branch supplies which facial mm
- anterior and superior auricular mm
- frontal belly of occipitofrontalis m
- corrugator supercilii
- superior portion of orbicularis oculi
- superior portion of procerus
sensory nerve innervation to parotid gland
auriculotemporal n and greater auricular n
facial n provides motor innerv to
mm of facial expression
digastric branch supplies
- posterior belly of digastric m
- stylohyoid m
which arteries supply parotid gland
- transverse facial a (superficial temporal a)
- posterior auricular a
- both of ECA
posterior auricular n supplies
- occipital belly of occipitofrontalis m
- posterior auricular m
another name for the parotid duct
stensen’s duct
cervical branch supplies
platysma m
what join to make to make the retromandibular v
superficial temporal v and maxillary v
secretomotor innervation to parotid gland
auriculotemporal n carries post gang parasymp fibers from otic ganglion (pre gang fibers came from CN9)
appearance of parotid gland
lobulated
buccal branches
- nasalis
- orbicularis oris
- levator anguli oris
- levator labii superioris
- levator labii superioris alaeque nasi
- buccinator
