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85 Cards in this Set

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  • Back
line drawn from supraorbital ridge to mastoid process does what?
separates the skull in 2 major parts:
-neurocranium
-splanchnocranium
neurocranium - functions?
-houses brain
-houses inner ear
splanchnocranium - what is it? function?
facial region
-houses the receptor organs for other special senses including smell taste and vision
paired bones:
-maxillae
-palatines
-nasals
-inferior conchae
-lacrimals
-zygomatics
-temporals
-parietals
unpaired bones:
-mandible
-vomer
-ethmoid
-spehnoid
-occipital
-frontal
fontanelles - what are they?
expanded areas of fibrous tissue at sutures in a newborn baby (softspots)
what is the word for "significant changes in the dimensions" (of the cranium) and when does it occur?
molding
-childbirth
anterior fontanelle - lies in junction of what bones?
frontal and parietal
-takes 1.5 - 2 years to close
posterior fontanelle - lies at junction of what bones? what suture does it later form?
occipital and parietal
-2-3 months to close
-lambdoid suture
sutures - name them
-coronal
-sagittal
-lambdoid
-basilar
superciliary arch - location?
frontal bone
supraobrital margin - location?
frontal bone
supraorbital foramen - location?
frontal bone
temporal lines - location?
frontal bone
zygomatic process - location?
frontal and maxillary
nasal notch - location?
maxilla
infraorbital foramen - location?
maxilla
aveolar process - location?
maxilla
incisive fossa - location?
maxillary
palatine process - location?
maxillary
zygomaticofacial foramen - location?
zygomatic
frontal process - location?
zygomatic
temporal process - location?
zygomatic
maxillary border - location?
zygomatic
orbital border - location?
zygomatic
superior and inferior temporal line - location?
parietal
external auditory meatus - location?
temporal
styloid process - location?
temporal
glenoid (condylar) fossa - location?
temporal
postglenoid tuberacle - location?
temporal
articular tubercle - location?
temporal
mastoid process - location?
temporal
superior and inferior nuchael lines - location?
occipital
foramen magnum - location?
occipital
basioccipital - location?
occipital
occipital condyles - location?
occipital
scalp extends from _____ to ______, and laterally between the _______.
-superior nuchael line
-supraorbital margins
-zygomatic arches
5 layers of scalp
1)skin
2)connective tissue
3)apeneurosis
4)loose subapeneurotic connective tissue
5)periosteum (pericardium)
apeneurosis of scalp is continuous with which mucles?
-frontalis m
-occipitalis m
frontalis m - innervation?
facial n
occipitalis m - innervation
facial n
which layer of the scalp allows movement of skin?
loose subapeneurotic connective tissue
scalp anterior to ears - innervation?
trigeminal n
scalp posterior to ears - innervation?
-spinal nerves C2 and C3
-greater occipital n
-lesser occipital n
branches of external carotid a:
-occipital a
-posterior auricular a
-superficial temporal a
doppler ultrasound device can moniter blood flow of what?
supraorbital a
suppler ultrasound device is used to assess what?
quantity of bloodflow in internal carotid a
what forms the facial v?
-supraorbital v
-supratrochlear v
what allows facial infections to reach cavernous sinus?
facial v communicating with opthalmic vv
what forms the retromandibular v?su
-superficial temporal v
-maxillary v
path of meningitus
infection --> emissary vv --> venous sinuses of the dura mater --> superior sagittal sinus and other intracranial sinuses
all muscles of facial expression - innervation?
facial n
5 branches of facial n
-temporal
-zygomatic
-buccal
-mandibular
-cervical
muscles of facial expression are either _____ or act in association with _____
sphinters
sphinters
muscles of the mouth:
-orbicularis oris
-depressor anguli oris
-zygomaticus major
-levator anguli oris
which mouth muscle is the sphincter of the mouth?
orbicularis oris
muscle of the cheek
buccinator
buccinator m - function
-feeding
-holds food items between upper and lower teeth
muscles of the eyelid
-levator palpabrae
-orbicularis oculi
levator palpabrae - innervation
CN3
levator palpabrae - function
lifts upper eyelid
which eyelid muscle is not a muscle of facial expression, and why?
levator palpabrae
-not innervated by facial n
orbicularis oculi - function
palpebral part
-blinking / light closing / wetting cornea
orbital part
-closes eye tightly / squinting
muscles of the nose:
-nasalis
-procerus
what innervates skin of forehead?
CN5I - opthalmic n
opthalmic n - divisions?
opthalmic n --> frontal n --> supratrochlear n AND supraorbital n
what innervates the skin of infraorbital region and upper toothrow?
CN5II - maxillary n
maxillary n - branches
-infraorbital n
-zygomaticofacial
-zygomaticotemporal
mandibular n - branches
-inferior aveolar n
-lingual n
inferior aveolar n - exits jaw as what nerve through what foramen?
-mental n
-mental foramen
great auricular n - supplies what skin on the face?
-angle of mandible
-near the auricle
facial a - branches from?
external carotid a
facial a - decends deep to:
zygomaticus major
facial a - continuation of it is called:
angular a
superficial temporal a - terminal branch of:
external carotid a
maxillary a - terminal branch of:
external carotid a
superficial temporal a - deep to:
parotid gland
superficial temporal a - ascends posterior to _____ and superficial to ______.
-neck of mandible
-zygomatic arch
transverse facial a - branch of?
superficial temporal a
superficial temporal a - supplies?
large region of scalp
transverse temporal a anastomoses with what superficial to what muscle?
-anastamoses with branches of facial a
-masseter m
facial v - accompanies what a, and empties where?
-accompanies facial a
-empties in internal jugular v
superficial temporal v - joins _____ to form the _____.
-maxillary v
-retromandibular v
______ communicates with external jugular v before emptying into ______.
-retromandibular v
-internal jugular v
lingual v - empties into?
-internal jugular vc