Deep face Flashcards
muscles served by trochlear nerve
superior oblique
muscles served by oculomotor nerve
levator palpabrae superioris, superior rectus, medial rectus, inferior recuts, inferior oblique (all muscles of eye except superior oblique and lateral rectus)
muscles served by abducens nerve
lateral rectus muscle
eye adductors
medial rectus, superior rectus, inferior rectus
eye abductors
lateral rectus, superior oblique, inferior oblique
eye elevators
inferior oblique, superior rectus
eye depressors
inferior rectus, superior oblique
test superior rectus
look laterally and upward
test inferior rectus
look laterally and downward
test lateral rectus
look laterally
test medial rectus
look medially
test inferior oblique
look medially and upward
test superior oblique
look medially and downward
eye closer muscles
orbicularis oculi: palpebrae and orbital part
innervation of eye closer
VII
effect on eye of injury to VII
inability to close eye, drooping of lower eyelid, spillage of tears
eye opener muscles
levator palpebrae, superior tarsal
what’s special about superior tarsal muscle?
smooth muscle, innervated by sympathetic fibers from superior cervical ganglion
innervation of levator palpebrae
III - oculomotor
synapse point for muscles of pupil constriction and lens accomidation
ciliary ganglion
nerve of pupil constriction and lens accomidation
parasympathetic fibers of III
pupil constrictor and lens accomidator nerve rides along with:
short ciliary nerves of V1
nerve of pupil dilation
sympathetic from sympathetic trunk
pupil dilator nerve rides along with:
carotid artery, long and short ciliary nerves
lacrimal parasympathetic nerves synapse in
pterygopalatine ganglion
preganglionic parasympathetic lacrimal nerves travel in
greater petrosal nerve (VII)
path of postsynaptic parasympathetic nerve to lacrimal gland
maxillary (V2) to lacrimal (V1)
path of lacrimal sympathetic nerve
superior cervical ganglion: internal carotid: deep petrosal nerve: through pterygopalatine ganglion: maxillary nerve: lacrimal nerve
muscles of mandibular protrusion
lateral pterygoid assisted by medial pterygoid
muscles of mandible retraction
temporalis, masseter, geniohyoid, digastric
muscles of mandible elevation
temporalis, masseter, medial pterygoid
mandible depression muscles
gravity, digastric, geniohyoid, mylohyoid, lateral pterygoid (sorta)
this structure lies just lateral to the tmj
superficial temporal artery
termination of maxillary artery
sphenopalatine foramen
4 nerves of note from posterior trunk of V3
auricotemporal, inferior alveolar, nerve to mylohyoid, lingual
path of inferior alveolar nerve
through mandible, to exit mental foramen as mental nerve
4 nerves of note from anterior branch of V3
deep temporal, nerve to lateral pterygoid, buccal, nerve to masseter
list them four paranasal sinuses (plus a friend)
frontal, sphenoidal, maxillary, ethmoidal cells, nasolacrimal duct
all of the muscles of the palate are innervated by ______ except _______ which is innervated by______
X, tensor veli palatini, V3
all muscles of pharynx are innervated by ______ except _____ which is innervated by______
X, stylopharyngeus, IX
4 extrinsic tongue muscles
palatoglossus and styloglossus from above,
hyoglossus and genioglossus from below
general sensation nerves of tongue
anterior 2/3 is lingual (V3), posterior 1/3 is IX
taste nerves of tongue
Chorda tympani (VII) is anterior 2/3, posterior 1/3 is IX
all muscles of tongue are innervated by _______ except _____ which is innervated by _______
XII palatoglossus, X