face: nn and vessels Flashcards
dorsal nasal a supplies
- area adjacent to the medial angle of orbit
- dorsum of nose
- lacrimal sac
mental n (gingival branch) supplies
vestibular gingiva of mand ant teeth and premolars
angular a supplies
medial aspect of eyelids
dorsal nasal a companion
infratrochlear n
buccal n passes between
two heads of lateral pterygoid m
cavernous sinus is a path of infection from
extracranial sites to intracranial locations
lateral nasal a supplies
- dorsum and ala of nose
- nasal vestibule
inferior palpebral n supplies
inferior eyelid
facial a passes under what
antegonial notch of mandible
posterior branch of retromandibular v joins
posterior auricular v to drain into EJV
zygomatico-orbital branch is ___ zygomatic arch
superior to
retromandibular v is formed by
superficial temporal v and maxillary v
mental n (inferior labial branch) supplies
skin and mucosa of lower lip
supraorbital a supplies
- scalp from forehead to vertex
- upper eyelid
buccal n supplies
- skin and mucosa of cheek
- buccal gingiva of lower molars
branches of maxillary n
- infraorbital n (inferior palpebral, lateral nasal, superior labial)
- zygomatic n (zygomaticofacial, zygomaticotemporal)
what structures pass through the cavernous sinuss
- ICA
- cn3, cn4, cnV-1, cnV-2, cn6
external nasal n supplies
-dorsum and ala of nose
cavernous sinus is on either side of the
sella turcica
which branches supply blood to the face
- ophthalmic (ICA)
- maxillary (ECA)
- facial (ECA)
- superficial temporal (ECA)
zygomaticofacial and zygomaticotemporal aa supply
region of zygomatic bone
branches of mandibular n to the face
- auriculotemporal n
- buccal n
- mental n
superior labial n supplies
skin and mucosa of upper lip
external nasal a supplies
external aspect of dorsum and ala of nose
infraorbital a supplies
- lower eyelid
- lateral aspect of nose
- upper lip (skin and mucosa)
- area between these structures
lateral nasal n (internal branch) supplies
skin of vestibule and antero-inferior nasal septum
facial a branches anastomose with
branches of ophthalmic a and maxillary a
branches of ophthalmic a that supply the face
- supraorbital
- supratrochlear
- dorsal nasal
- external nasal
- zygomatic
which division of CNV has both motor and sensory branches
mandibular n
external nasal a is a branch of
anterior ethmoidal a
maxillary n supplies
- temple
- zygomatic region
- lower eyelid
- lateral nose
- upper lip
lacrimal n supplies
- lateral half of upper eyelid
- skin in the area of the lateral angle of the orbit
- lacrimal gland
mandibular n supplies
- scalp (lateral)
- cheek (skin and mucosa)
- lower lip
- chin
branches of facial a
- superior and inferior labial aa
- lateral nasal a
- angular a
transverse facial a supplies
- glandular branches to parotid gland and duct
- masseter m
- cutaneous branches to skin
- TMJ
- EAM
- anterior portion of auricle
maxillary n exits skull via
foramen rotundum
ophthalmic n exits skull via
superior orbital fissure
mandibular n exits skull via
foramen ovale
what aa supply the dorsum of nose
- dorsal nasal a (ophthalmic a)
- external nasal a (ophthalmic a)
- lateral nasal a (facial a)
inferior labial a supplies
lower lip
retromandibular v is formed in
the substance of parotid gland
mental n (mental branch) supplies
skin of chin
anterior branch of retromandibular v joins
facial v to form common facial v to drain into IJV
zygomaticofacial n supplies
skin on prominence of cheek (zygomatic bone)
supraorbital n supplies
- upper eyelid
- scalp (anterolateral portion from forehead to vertex)
auriculotemporal n supplies
- temporal branch: lateral aspect of scalp
- auricular branch: auricle, EAM, tymp membrane
- articular branch: TMJ, parotid gland
buccal a supplies
- skin, muscle, and mucosa of cheek
- vestibular gingiva of mand molar teeth
lateral nasal a anastomoses with
lateral nasal branch of infraorbital a
superficial temporal a passes between
TMJ and EAM
transverse facial a is ___ the parotid duct
above
branches of CNV1 to the face
- supra-orbital
- supratrochlear
- infrtrochlear
- lacrimal
- external nasal
supra orbital and supratrochlear vv form
angular v
zygomatico-orbital branch of superficial temporal a supplies
cutaneous branches to skin on lateral angle of orbit
zygomaticotemporal n supplies
skin of anterior aspect of temporal fossa (temple)
buccal n sits on which m
buccinator m
branches of maxillary a that supply the face
- infraorbital
- mental
- buccal
anterior auricular branch of transverse facial a supplies
EAM and anterior portion of auricle
the only branch of ICA that supplies the face is
ophthalmic a
sensory innervation of the face is by which CN
CN V
angular v becomes
facial v
transverse facial v drains into
superficial temporal v
transverse facial a lies on what m
masseter m
ophthalmic n supplies which regions of the face
- forehead
- scalp
- upper eyelid
- external nose
branches of superficial temporal a
- transverse facial a
- zygomatico-orbital a
- frontal branch
- parietal bone branch
- middle temporal a
facial v drains into
IJV
mental a supplies
- chin
- lower lip (skin and mucosa)
- vestibular gingiva of mand teeth up to 2nd PM
infratrochlear n supplies
- area adjacent to the medial angle of the orbit
- lateral aspect of the root of the nose
- lacrimal sac
articular branch of transverse facial a supplies
TMJ
lateral nasal n (external branch) supplies
lateral aspect of external nose
cavernous sinus is ___ to the sphenoid bone
lateral
superior labial a supplies
upper lip and nasal septum
do veins in the face have valves
no
supratrochlear a supplies
- medial aspect of upper eyelid
- medial aspect of forehead (scalp)
supratrochlear n supplies
- medial portion of upper eyelid
- anteromedial scalp (forehead)
zygomatic a is a branch of what a
lacrimal branch of ophthalmic a
transverse facial a travels
anteriorly below zygomatic arch
