Superficial Face Flashcards
cutaneous inn
trigeminal CN V + cervical plexus
ophthalmic inn
apex of nose, orbit, eyeball, forehead
maxillary inn
upper jaw, ala of nose, ant temporal region
mandibular inn
lower jaw, ant auricle, temporal region
great auricular inn
C2,3
cutaneous to skin of parotid bed and auricle
less occipital inn
C2
cutaneous to skin of post auricle and skin behind ear
ophthalmic branches
- supraorbital
- supratrochlear
- infratrochlear (bridge of nose)
maxillary branches
- zygomaticotemporal
- zygomaticofacial
- infraorbital
mandibular branches
- mental
- auriculotemporal
- buccal
trigeminal neuralgia
sudden sharp pain causes wince/tick for 15 min +
most common V2 > V3 > V1
frontalis m
frontal + occiptal belly
elevate eyebrows
orbicularis oculi m
palpebral (medial) + orbital (surrounds)
closes eyes gently (palp) or more force (orb) aka blinking/winking
zygomaticus m
major + minor
smiles
nasalis m
flaring nostrils
levator labii
- superioris alaeque nasi - dilates nostrils, snarling
- superioris - elevate upper lip
- anguli oris- elevates mouth aka smile, deep to superioris
orbicularis oris m
closing mouth, protruding lips
duck face
buccinator m
compress cheeks, duck face
depressor m
- anguli oris- pulls corner mouth down
- labii inferioris- depress lower lip, exposes lower teeth during smiling
platysma m
frightened expression
mentalis m
elevate lower lip, wrinkles skin of chin
-tense the chin
branches of facial N
- temporal- temp + frontal
- zygomatic- high cheek + lower orbit
- buccal- low cheek + corner mouth
- mandibular- mandible to mentum
- cervical- platysma
- posterior auricular to occipitalis and post auricular muscles
to zanzibar by motor car
where does facial branch at
enters parotid gland then divides
bell’s palsy
sudden weakness/paralysis of facial muscles
-sagging/sad when relaxed
-drooping eyelid and xs tearing
-drooling out side of mouth
orbicularis oculi and buccinator
-muscles of mastication are fine
SCALP
mneumonic
- skin
- dense CT- heavy inn and vasc
- epicranial aponeurosis
- loose CT- allows move
- pericranium
layers of scalp