Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Head and Neck > Muscles of face and scalp > Flashcards

Muscles of face and scalp Flashcards

Moore Clinically Oriented Anatomy Table 8.3

1
Q

What is the origin of the frontal belly of the occipitofrontalis?

A

Epicranial Aponeurosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the insertion of the frontal belly of occipitofrontalis?

A

Skin and subcutaneous tissue of eyebrows and forehead

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the innervation of the frontal belly?

A

Temporal branch of the facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the action of the frontal belly of the occipitofrontalis?

A

Elevates the eyebrows.
Protracts the scalp
Wrinkles the skin of the forehead

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the origin of the occipital belly of the occipitofrontalis?

A

Lateral two thirds of the superior nuchal lines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the insertion of the occipital belly of the occipitofrontalis?

A

Epicranial aponeurosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the innervation of the occipital belly of the occipitofrontalis?

A

Posterior auricular branch of the facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the action of the occipital belly of the occipitofrontalis?

A

Retracts the scalp

Helps the frontal belly do its job.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the origin of orbicularis oculi?

A

Medial Palpebral ligament
Medial Orbital Margin
Lacrimal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the insertion of the orbicularis oculi?

A

Skin around the margin of the orbit

Superior and inferior tarsal plates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the innervation of the orbicularis oculi?

A

Temporal and zygomatic branches of the facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the function of orbicularis oculi?

A

Orbital part - Shuts the eyelids tightly

Palpebral part - Shuts the eyelids closely

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the origin of corrugator supercilii?

A

Medial end of the superciliary arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the insertion of the corrugator supercilii?

A

Superior to the middle of the supraorbital margin and the superciliary arch.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the innervation of the corrugator supercilii?

A

Temporal branch of the facial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the action of the corrugator supercilii?

A

Draws the eyebrows inferiorly and medially, creating vertical ridges above the nose.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the origin of procerus?

A

Nasal bone and upper lateral nasal cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the insertion of the procerus?

A

Skin of the lower forehead between the eyebrows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the innervation of the procerus?

A

Temporal and lower zygomatic branches from the facial nerve. A supply from its buccal branch has also been described.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the action of the procerus?

A

Depresses the medial eyebrows, producing transverse wrinkles on the bridge of the nose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are the parts of nasalis muscle?

A

Alar part

Transverse part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the origin of the transverse part of the nasalis?

A

Maxilla just lateral to nose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the insertion of the transverse part of the nasalis?

A

Aponeurosis extending over the dorsum of the nose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the origin of the alar part of the nasalis?

A

Maxilla over the lateral incisor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is the insertion of the alar part of the nasalis?
Alar cartilage of nose
26
What is the innervation of the nasalis?
Buccal branch of the facial nerve
27
What is the function of nasalis?
Transverse part - Compresses the nasal aperture | Alar part - Draws cartilage downward and laterally, opening nostril
28
What is the origin of the orbicularis oris?
Medial maxilla and mandible; deep surface of the perioral skin; angle of mouth (modiolus)
29
What is the insertion of the orbicularis oris?
Mucous membrane of the lips
30
What is the innervation of the orbicularis oris?
Buccal branch of facial nerve
31
What is the function of the orbicularis oris?
Tonus closes oral fissure | Phasic contraction compresses and protudes lips (kissing) and resist distension (when blowing)
32
What is the origin of the levator labii superioris?
Infraorbital margin of maxilla
33
What is the insertion of the levator labii superioris?
Skin of the upper lip
34
What is the innervation of the levator labii superioris?
Buccal branch of the facial nerve
35
What is the function of the levator labii superioris?
Elevate or evert upper lip | Deepen nasolabial sulcus (showing sadness)
36
What is the origin of the zygomaticus minor?
Anterior aspect of zygomatic bone
37
What is the insertion of the zygomaticus minor?
Skin of the upper lip
38
What is the innervation of the zygomaticus minor?
Buccal branch of the facial nerve
39
What is/are the function/functions of zygomaticus minor?
Elevates or everts the upper lips | Deepens the nasolabial sulcus
40
What is the origin of buccinator?
Alveolar part of the maxilla and mandible, mandible, pterygomandibular raphe.
41
What is the insertion of buccinator?
Angle of mouth (modiolus); Orbicularis oris
42
What innervates the buccinator?
Buccal branch of the facial nerve
43
What are the functions of buccinator?
Presses the cheeks against molar teeth Helps the tongue to keep the food in the occlusal surface and out of the oral vestibule Resist distension (when blowing)
44
What is the origin of the zygomaticus major?
Lateral aspect of the zygomatic bone
45
What is the insertion of the zygomaticus major?
Modiolus (Angle of mouth)
46
What is the innervation of the zygomaticus major?
Buccal branch of the facial nerve
47
What is the function of the zygomaticus major?
Parts of dilators of mouth | Elevates labial commissure - Bilaterally to smile - Unilaterally to sneer
48
What is the origin of the levator anguli oris?
Infraorbital maxilla
49
What is the insertion of the levator anguli oris?
Modiolus (Angle of mouth)
50
What innervates the levator anguli oris?
Buccal branch of the facial nerve
51
What is the function of the levator anguli oris?
Part of the dilators of the mouth | Widens the oral fissure when grinning or grimacing
52
What is the origin of risorius?
Parotid fascia and buccal skin
53
What is the insertion of the risorius?
Angle of mouth (modiolus)
54
What innervates the risorius?
Buccal branch
55
What is the action of the risorius?
Retracts or depresses the labial commissures | Dilators of mouth
56
What is the origin of depressor anguli oris?
Anterolateral base of mandible
57
What is the insertion of depressor anguli oris?
Angle of mouth (modiolus)
58
What is the innervation of depressor anguli oris?
Marginal mandibular branch of facial nerve
59
What is the function of depressor anguli oris?
Depresses the labial commissures
60
What is the origin of depressor labii inferioris?
Platysma and anterolateral surface of mandible
61
What is the insertion of depressor labii inferioris?
Skin of lower lip
62
What is the innervation of depressor labii inferioris?
Marginal mandibular branch of facial nerve
63
What is the function of depressor labii inferioris?
Parts of dilators of mouth | Retracts (depresses) and everts (pouts) the lower lip
64
What is the origin of mentalis?
Body of mandible (anterior to the roots of inferior incisors)
65
What is the insertion of mentalis?
Mentolabial sulcus (Skin of chin)
66
What innervates the mentalis?
Marginal mandibular branch of the facial nerve
67
What is the function of mentalis?
Elevates and protudes lower lip, showing doubt by elevating the skin of the chin
68
What is the origin of platysma?
Subcutaneous tissue of infraclavicular and supraclavicular regions
69
What is the insertion of platysma?
Base of mandible Skin of lower lip and cheek Modiolus (angle of mouth) Orbicularis oris
70
What is the innervation of platysma?
Cervical branches of facial nerve from the parotid plexus
71
What is the function of platysma?
Depresses the mandible (against resistance) | Tenses the skin of inferior face and neck (conveying tension or stress)
72
What is the origin of despressor septi nasi?
Incisive fossa of the maxilla
73
What is the insertion of depressor septi nasi?
Nasal septum and back of alar part of the nasalis
74
What is the innervation of depressor septi nasi?
Buccal branch of the facial nerve
75
What is the function of depressor septi nasi?
Depresses the nasal septum | Helps the alar part in flaring nostrils

Head and Neck (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions