Superficial face/orbit Flashcards
superficial face fascial layer
superficial fascia
superficial face spaces
buccal fat pad
superficial face muscles
muscles of facial expression
superficial face nerves
CN V (sensory)
CN VII (motor)
CN IX (parotid gland)
superficial face arteries and veins
arteries: branches of the external carotid artery
veins: internal jugular v and external jugular v
major gland of superficial face
parotid gland
where does superficial face lymphatics drain?
neck lymph nodes
facial muscles are in the same plane as what neck muscle?
platysma
buccal fat pad functions (2)
fills gap between muscles
facial support
occipitofrontalis does what movement?
occipitofrontalis (raises eyebrows)
auricular muscles
orbicularis oculi does what movement?
muscle *near eyebrow
orbicularis oculi
procerus does what movement?
procerus and nasalis
orbicularis oculi
Occipitofrontalis
Corrugator Supercillii
Corrugator Supercillii does what movement?
nasalis does what movement?
Levator Labii Superioris Alaeque Nasi
Levator Labii Superioris Alaeque Nasi does what movement?
muscles of facial expression (11)
1 - Zygomaticus Major
2 - Zygomaticus Minor
3 - Levator Labii Superioris Alaeque Nasi
4 - Levator Labii Superioris
5 - Depressor Labii Inferioris
6 - Levator Anguli Oris
7 - Depressor Anguli Oris
8 – Buccinator
9 - Orbicularis Oris
10 – Risorius
11 – Mentallis
Platysma
Zygomaticus Major does what movement?
Zygomaticus Minor does what movement?
Zygomaticus Major + Minor
Levator Labii Superioris does what movement?
Levator Labii Superioris + Depressor Labii Inferioris
Depressor Labii Inferioris does what movement?
Depressor Anguli Oris does what movement?
Buccinator does what movement?
Depressor Anguli Oris
Buccinator + orbicularis oris
Orbicularis Oris does what movement?
Orbicularis Oris
Risorius does what movement?
Risorius
Mentalis does what movement?
Mentalis
platysma
platysma does what movement?
regions of CN V face innervation
Ophthalmic division – eyes and superior
Maxillary division – eyes to angle of mouth
Mandibular division - angle of mouth and inferior
foramina of CN V
V-1- Supraorbital Foramen
V-2 – Infraorbital Foramen
V-3 – Mental Foramen
CN VII branches (facial expression)
- Temporal branch
- Zygomatic branch
- Buccal branch
- Mandibular branch
- Cervical branch
Main trunk of CN VII exits through the
stylomastoid foramen
the main trunk of CN VII runs through the
parotid gland
vasculature of face ECA important branches
facial a.
superficial temporal a.
posterior auricular a.
occipital a.
maxillary a.
– infraorbital a.
– mental a.
facial a. branches and supply of superficial face (5)
- Tonsilar a. - palatine tonsils
- Inferior labial a. - external surface of inferior lips
- Superior labial a. - external surface of superior lips
- Lateral nasal a. - dorsolateral surface of nose
- Angular a. (terminal branch) – external/medial orbit (Anastomoses with Ophthalmic artery via Angular a.)
inferior carotid artery branch to the superficial face
ophthalmic artery
–retina, extraocular muscles, lacrimal gland, ethmoid bone, supraorbital, dorsal nasal, frontal supratrochlear
main venous branches of superficial face (4)
angular
facial
occipital
superficial temporal
maxillary
eyelid closed is due to what muscle and nerve?
orbicularis oculi m.
facial nerve (CN VII)
eyelid elevated is due to what muscle and nerve?
levator palpebrae superioris m.
oculomotor nerve (CNIII)
*superior tarsal m. (sympathetics from T1)
superior tarsal muscle: sympathetic from what level?
T1
extrinsic eye muscles (6)
superior rectus
superior oblique
medial rectus
lateral rectus
inferior rectus
inferior oblique
superior rectus: CN
superior oblique: CN
medial rectus: CN
lateral rectus: CN
inferior rectus: CN
inferior oblique: CN
superior rectus: CN III
superior oblique: CN IV
medial rectus: CN III
lateral rectus: CN VI
inferior rectus: CN III
inferior oblique: CN III
LR6 SO4 R3
vasculature of orbit (a. and v.)
ophthalmic a.
superior ophthalmic v. (cavernous sinus)
inferior ophthalmic v. (pterygoid plexus)
superior ophthalmic v. and inferior ophthalmic v. anastomose with…
facial vein