head and face Flashcards
where does the m. of facial expression lie
in subcutaneous tissue
where do the m. of facial expression attach
to superficial fasciae or bone and skin of face
what type of joint is the TMJ
modified hinge synovial joint
what does the TMJ join
head of the condyle of the mandibular fossa of the zygomatic process of the TB
what does the artciular disc do
divid synovial cavity into upper and lower cavities
what does the lateral ligamnet of the TMJ do
strengthen joint laterally
what does the postglenoid tubercle do
prevent posterior dislocation
what is the cranium
refers to skull without mandible
what is the calvaria
cranial vault, superior part includes forehead, excludes lower jaw and face
what is skull cap
refers tot he superiro part of the cranial vault part usually removed during dissection
what is the cranial base
inferior part of the cranium
what is the facial skeleton
rest of the cranium : including maxilla, orvits, nasal cavities
what is the crista galli and frontal crest an attachemnt site for
falx cerebri
what does the ethmoid bone have
crista galli and cribiform plate
– contains foramin a for olfactoryy n.
what does the sphenoid bone have
greater wings
dorsum sellae
ant. and post clinoid process
what does the temporal bone have
petrous
squamous suture
where can the optic canal be found
lesser wing
what does through optic canal
optic n.
opthalamic a.
where is the superior orbital fissure be found
between greater and lesser wing
what goes through the superior oribital fissure
ophthalmic n (n 5 part 1)
oculomotor
trochlear
abducen
where can the foramen rotundum be found
greater wing
what goes through the forament rotumdum
maxillary n part 2 of n5
where can the foramen ovale be foun
greater wing
what goes through the foramen ovale
mandibular n part 3 of n5
where is the forament spinosum
greater wing
what does through the foramen spinosum
middle meningeal artery , mandibular brach of the trigeminal n
where can the forament lacerum be found
between sphenoid and temporal bone
** not really an opening
what does through the forament lacerum
nothing
the internal carotid a runs across
where can the groove for greater petrosal n be found
anterior surface of temporal bone
what goes through the groove for greater petrosal n.
greater petrosal n
middle meningeal a
what is the largest adn deepest of the 3 cranial fossae
posterior cranial fossa
what can be found in the posterior crainal fossa
occipital bone
parts of the petrous portion of temporal bone and body of sphenoid
what does the posterior cranial fossa contain
cerrebellum
pons
medulla
where can the internal acoustic meatus be found
in posterior temporal bone
what does through the internal acoustic meatus
facial n.
vestibulococular n
where can the jugular foramen be found
between the occipital and temporal bone
what goes through the jugular foramen
glossopharyngeal
vagus
parts of accessory
sigmoid sinus ( where jugular ends)
where can the hypoglossal canal be found
occipital bone
what goes through the hypoglassal canal
hypoglassal n
where is the forament magnum
occipital bone
what goes through the forament magum
vertebral aa
what is the shallowest of the 3 fossae of the head
anterior cranial fossa
what is in the anterior cranial fossa
frontal poles
orbital plates
supports the frontal lobe
ethmoid bone
what can be found in the middle cranial fossa
sphenoid bone
temporal bone
what is the main sensory innervationfo the facce
3 branches of the trigeminal n.
what n. innervates the angle of the mandible
great auricular n.
what is the 5th craninal n.
trigeminal n. which is also the largest cranial n.
what is the main general sensory n to the head
trigeminal n.
what is the motor mm. of mastication
trigeminal n.
what are the 3 parts of the trigeminal n.
1 opthalmic
2 maxillary
3 mandibular
where do all of the trigeminal n. come out of
sphenoid bone
what section if the ophthamic n.
this is the superiro division of the trigeminal n. and is the smallest branch
is the ophtahmci n sensory or motor
sensory only
what are the 3 branches of the ophtahalmic n.
frontal n
nasociliary n
lacrimal
what are the division of the frontal n of the ophthalmic n
supratrochlear n
supraorbital n
what does the supratrochlear n supply
to middle forehead, conjunctiva, skin upper eye lid
what does the supraorbital n supply
to lateral and front scalop, conjunctiva, skin upper eye lid
what are the division of the nasociliary n of the ophthalmic n
- anterioe and posterior ethmoidal nn.
- external nasal n
- infratrochlear n
what does the anterior and posterior ethmoidal nn. of the nasociliary n supply
to ethmoidal paranasal sinuses
what does the external nasal n of the nasociliary n supply
external nose
what does the infratrochlear n of the nasociliary n supply
terminall branch of nasociliary n to skin aroudn eyes and nose
what does the lacrimal n supply of the ophthalmic n.
lacrimal gland and lateral upper eye lid
what is the 2nt part of the 5th cranial n.
maxillary n. and is the intermediate section
is the maxillary n. sensory or motor
sensory only
what are the branches of the maxillary n.
infraorbital n
zygomatic n
what is the terminal branch of the maxillary n
infraorbital n
where does the infraorbital come out of
infraorbital fissure
what does the infraorbital n of the maxillary n supply
sensory to skin on lateral nose, upper lip, lower eyelid and maxillary teeth
what are the branches of the zygomatic n
zygomaticiofasical n
zygomaticoltemoporal n
what does the zygomaticiofasical n supply of the zygomatic n
to skin over zygomatic bone
what does the zygomaticoltemoporal n supply of the zygomatic n
skin over the temporal area
does the mandibular n have motor or sensory
motor to muscles of mastication
what are the main sensory branches of the mandibular n
- buccal n
- auriculotemporal n
- inferior alveolar n
- lingual n
what does the buccal n supply
skin on check over buccinator, posterior surface of gum
what does the auriculotemporal n supply
to auricle, external acoustic meatus, tympanic membrane, skin in temporal region
what does the inferior alveolar n supply
mandibular lower teeth and targeted for dental anesthesia
what are the division of the inferior alveolar n
inferiro dental plexus
mental n
what does the inferiror dental plexus supply
to incisor teeth, adjacent gingiva
what does the mental n supply
goes through mental foramen, skin of chin, skin and musous membrane of lower lip
where does the inferior alveolar n enter the mandibular
enters the mandibular canal thorugh mandibular forament
what does the lingual n of the mandibular n supply
provides general sensory fivers to anterior 2/3 of the tongue floor of the mout and gums of mandibular teeth
what does the facial n have motor to
muscles of the face
what does the facial n have sensory to
taste from the anteriro 2/3 of the tongue and part of the skin of the external auditory meatus
where does the facial n enter the skull
throgh internal acousci meatus
where does the facial n exits the skull
through stylomastioid foramnet
what does the facial n enter ( gland)
parotid gland
what are the 5 terminal branches facial n
temporal br zygomatic br buccal br mandibular b cervial br
what doe the temporal br of the facial n supply
to all superficial facial m.
what doe the zygomatic br of the facial n supply
to m. in zygomatic, orbital, infraorbital region
what doe the buccal br of the facial n supply
to buccinator and m. in upper lip
what doe the mandibular b of the facial n supply
to m in lower lip chin
what doe the cervial br of the facial n supply
to platysma
what is the terminal br of the external carotid a.
superficial temporal a
maxillary a
what does the facial a supply
m. o ffacial expression and face
what does the inferiro labial supply
lower lip
what does the superiro laial supply
upper lip and ala and septum of nose
what does the latheral nasal supply
skin on alal and dorsum of nose
what does the angular supply
superiro part of cheek and inferio eyelid
what is the terminal branch of facial a
angular a
what does the what does the occipital a supply
scalp of back and head as far as vertex
what does the posterio auricular a supply
aricle or ear and scalp posterio to auricle
what does the superficial temporal a supply
facial muscles and skin of temporal frontal and temporal regions
what does the transverse facial a supply
parotid gland and duct, m. and skin of face
what does the mentla supply
facial muscles and ksiin of chin
what is the mental a . a branch from
maxillary a
facial viens begin as
angular veins by the union of supraorbitla and supratrochlear and…
End in the internal jugular vein via common facial
what forms the retromandibular v
superficial temporal ad maxillaary v
what does the retromandibular v divid into
- anterio branch that joins the facial v
- posterior branch that joins the posterioe auricular to form external jugular v
what are the 5 layers of the scalp
1- skin 2 CT 3 aponeurosis epicranialis 4 losse CT --( allows free movement to scalp) 5 pericranium
read slides
33-34
what supplies the brian with blood
internal carotid
vertebral artery
read slides
36-44
