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Flashcards in Face Muscles Deck (75)
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1

O: Occipitofrontalis

occipital belly - lateral 2/3 of superior nuchal line on occipital bone and mastoid part of temporal bone; frontal belly - fibers continuous with those of procerus medially and orbicularis oculi laterally

2

I: Occipitofrontalis

galea aponeurotica

3

A: Occipitofrontalis

draws scalp back, raises eye brows and wrinkles forehead in expression of surprise

4

N: Occipitofrontalis

occipital belly - posterior auricular branch of the facial nerve (VII); frontal belly - temporal branch of the facial nerve (VII)

5

B: Occipitofrontalis

occipital artery

6

O: Depressor Anguli Oris

from oblique line of the mandible, lateral and below depressor labii inferioris

7

I: Depressor Anguli Oris

into the angle of the mouth blending with orbicularis oris and risorius

8

A: Depressor Anguli Oris

draws angle of mouth down and laterally as in expression of sadness

9

N: Depressor Anguli Oris

mandibular branch of facial nerve (VII)

10

B: Depressor Anguli Oris

facial artery

11

O: Levator Labii Superioris

along lower part of orbit from maxilla and zygomatic bones

12

I: Levator Labii Superioris

upper lip between levators anguli oris and labii superioris alaeque nasi

13

A: Levator Labii Superioris

raises the upper lip and carries it forward

14

N: Levator Labii Superioris

buccal branch of facial nerve (VII)

15

B: Levator Labii Superioris

facial artery

16

O: Zygomaticus Major

from the zygomatic bone in front of the zygomaticotemporal suture

17

I: Zygomaticus Major

into angle of mouth with levator and depressor anguli oris and orbicularis oris muscles

18

A: Zygomaticus Major

draws the angle of the mouth upward and backward as in laughing

19

N: Zygomaticus Major

buccal branch of facial nerve (VII)

20

B: Zygomaticus Major

facial artery

21

O: Zygomaticus Minor

lateral surface of the zygomatic bone

22

I: Zygomaticus Minor

upper lip between levator labii superioris and zygomaticus major

23

A: Zygomaticus Minor

elevates the upper lip and helps form the nasolabial furrow

24

N: Zygomaticus Minor

buccal branch of the facial nerve (VII)

25

B: Zygomaticus Minor

facial artery

26

O: Orbicularis Oris

fibers derived from other facial muscles (buccinator, levators, and depressors of lips and angles, zygomatic muscles) pass into lips; also some intrinsic muscle fibers make up orbicularis oris

27

I: Orbicularis Oris

several strata of muscle fibers form a sphincter-like muscle with fibers that decussate at the angles of the mouth

28

A: Orbicularis Oris

closes the lips; and its deep fibers can press the lips against the teeth, also it protrudes the lips and is important in speech

29

N: Orbicularis Oris

buccal branch of the facial nerve (VII)

30

B: Orbicularis Oris

facial artery