Skull, Face, Scalp Flashcards

1
Q

what does frontalis m. do

A

raises eyebrow (surprise)

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2
Q

what does corrugator supercilii m. do

A

draws eyebrow in (frowning)

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3
Q

what does orbicularis oculi m. do

A

closes eye (winking)

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4
Q

orbicularis oculi m. has 2 parts, what are they

A

orbital part, palpebral part

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5
Q

what does procerus m. do

A

wrinkles bridge of nose

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6
Q

what does nasalis m. do

A

compresses & dilates nostril

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7
Q

what does levator labii superioris alaeque nasi m. do

A

dilates nostril

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8
Q

what does orbicularis oris m. do

A

closes mouth

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9
Q

what does levator labii superioris m. do

A

elevates upper lip

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10
Q

what do zygomaticus major/minor do

A

draws mouth up

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11
Q

what does depressor anguli oris m. do

A

depresses angle of mouth

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12
Q

what does depressor labii inferioris m. do

A

depresses lower lip

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13
Q

what does risorius do

A

retracts corner of mouth

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14
Q

what does mentalis m. do

A

protrudes lower lip

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15
Q

what does buccinator m. do

A

compresses cheeks and assists in mastication

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16
Q

what does levator anguli oris m. do

A

elevates angle of mouth

17
Q

which muscle elevates & retracts mandible

A

temporalis m.

18
Q

which muscle elevates & clenches mandible

A

masseter m.

19
Q

which muscle elevates, protracts, & rotates mandible

A

med. pterygoid m.

20
Q

which muscle protrudes & rotates mandible; and opens mouth

A

lat. pterygoid m.

21
Q

sensory innervation to face & scalp

A

CN V

22
Q

sensory to back of head, ears, jaw

A

Cervical

23
Q

motor to mm of facial expression

A

CN VII

24
Q

motor to mm of mastication

A

CN V3 (mandibular)

25
Q

what does occipitofrontralis m. do

A

moves scalp back and forward

26
Q

what do the 3 auricularis m. do

A

protract, elevate, and retract ears

27
Q

what covers up buccinator m.

A

buccal fat pad

28
Q

what is the motor innervation to buccinator m.

A

CN VII

29
Q

what is the sensory to buccal mucosa & skin of cheek

A

CN V3

30
Q

does V3 supply buccinator m.

A

no, V3 only pierces it

31
Q

What is superficial temporal a. a branch of?

A

external carotid a.

32
Q

where does the superficial temporal vein drain to

A

retromandibular v.

33
Q

what structure do both the superficial temporal a. and v. go through

A

parotid gland

34
Q

transverse facial a. & v. are branches of what

A

superficial temporal vessels

35
Q

transverse facial a. & v. supply what region

A

upper cheek region; parotid gland, duct, and masseter m.

36
Q

facial a. and v. cross mandible where

A

anterior border of masseter m.