Superficial Face Flashcards

1
Q

cutaneous inn

A

trigeminal CN V + cervical plexus

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2
Q

ophthalmic inn

A

apex of nose, orbit, eyeball, forehead

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3
Q

maxillary inn

A

upper jaw, ala of nose, ant temporal region

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4
Q

mandibular inn

A

lower jaw, ant auricle, temporal region

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5
Q

great auricular inn

A

C2,3
cutaneous to skin of parotid bed and auricle

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6
Q

less occipital inn

A

C2
cutaneous to skin of post auricle and skin behind ear

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7
Q

ophthalmic branches

A
  1. supraorbital
  2. supratrochlear
  3. infratrochlear (bridge of nose)
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8
Q

maxillary branches

A
  1. zygomaticotemporal
  2. zygomaticofacial
  3. infraorbital
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9
Q

mandibular branches

A
  1. mental
  2. auriculotemporal
  3. buccal
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10
Q

trigeminal neuralgia

A

sudden sharp pain causes wince/tick for 15 min +
most common V2 > V3 > V1

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11
Q

frontalis m

A

frontal + occiptal belly

elevate eyebrows

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12
Q

orbicularis oculi m

A

palpebral (medial) + orbital (surrounds)

closes eyes gently (palp) or more force (orb) aka blinking/winking

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13
Q

zygomaticus m

A

major + minor

smiles

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14
Q

nasalis m

A

flaring nostrils

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15
Q

levator labii

A
  1. superioris alaeque nasi - dilates nostrils, snarling
  2. superioris - elevate upper lip
  3. anguli oris- elevates mouth aka smile, deep to superioris
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16
Q

orbicularis oris m

A

closing mouth, protruding lips
duck face

17
Q

buccinator m

A

compress cheeks, duck face

18
Q

depressor m

A
  1. anguli oris- pulls corner mouth down
  2. labii inferioris- depress lower lip, exposes lower teeth during smiling
19
Q

platysma m

A

frightened expression

20
Q

mentalis m

A

elevate lower lip, wrinkles skin of chin
-tense the chin

21
Q

branches of facial N

A
  1. temporal- temp + frontal
  2. zygomatic- high cheek + lower orbit
  3. buccal- low cheek + corner mouth
  4. mandibular- mandible to mentum
  5. cervical- platysma
  6. posterior auricular to occipitalis and post auricular muscles

to zanzibar by motor car

22
Q

where does facial branch at

A

enters parotid gland then divides

23
Q

bell’s palsy

A

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

24
Q

SCALP

mneumonic

A
  1. skin
  2. dense CT- heavy inn and vasc
  3. epicranial aponeurosis
  4. loose CT- allows move
  5. pericranium

layers of scalp

25
Q

arterial supply

A
  1. facial A (from external carotid) > maxillary A > infraorbital
  2. superficial temporal (from external carotid) > transverse facial A
  3. infraorbital from internal carotid

supra and infraorbital anastomose

basically from internal and external carotid

26
Q

venous drainage

A

superficial temporal + maxillary = retromandibular (ant and post divisions)

posterior + post auricular drains into external jug
anterior + facial drains int internal jug

27
Q

valves in face?

A

NO so infections can move into cranial vault and affect the brain

28
Q

lymphatic drainage

A

nodes @ parotid and buccal regions otherwise no nodes in face

superficial drain into external jug
deep drain into internal jug