Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Anatomy > Superficial Face - Muscles of Facial Expression - Muscles of the Mouth > Flashcards

Superficial Face - Muscles of Facial Expression - Muscles of the Mouth Flashcards

1
Q

What are the muscles of the Mouth?

A

Depressor Anguli Oris, Zygomatic Major and Minor, Levator Labii Superioris, Levator Anguli Oris, Depressor Labii Inferioris, Buccinator, Orbicular Oris

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

What is the origin of the Depressor Anguli Oris muscle?

A

Oblique line of mandible

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

What is the insertion of the Depressor Anguli Oris muscle?

A

angle of the mouth

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

What is the nerve supply of the Depressor Anguli Oris muscle?

A

branches of facial nerve (CN VII)

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

What is the action of the Depressor Anguli Oris muscle?

A

acts to depress the corners of the mouth

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

What is the blood supply of the Depressor Anguli Oris muscle?

A

facial artery

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

What is noteworthy about the Depressor Anguli Oris muscle?

A

“frown” muscle

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

What is the origin of the Zygomatic Major and Minor muscles?

A

Zygomatic bone

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

What is the insertion of the Zygomatic Major and Minor muscles?

A

lateral corner of the mouth

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

What is the nerve supply of the Zygomatic Major and Minor muscles?

A

facial nerve (CN VII)

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

What is the blood supply of the Zygomatic Major and Minor muscles?

A

transverse facial artery

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

What is the action of the Zygomatic Major and Minor muscles?

A

act to raise the corner of the mouth and upper lip

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

What is noteworthy about the Zygomatic Major and Minor muscles?

A

“smile” muscles

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

What is the origin of the Levator Labii Superioris muscle?

A

infraorbital margin

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

What is the insertion of the Levator Labii Superioris muscle?

A

skin of upper lip

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

What is the innervation of the Levator Labii Superioris muscle?

A

buccal branch of facial nerve (CN VII)

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

What is the blood supply of the Levator Anguli Superioris muscle?

A

facial artery

18
Q

What is the action of the Levator Anguli Superioris muscle?

A

act to raises the upper lip

19
Q

What is noteworthy about the Levator Anguli Superioris muscle?

A

used to bare upper teeth, as in a sneer

20
Q

What is the origin of the Levator Anguli Oris muscle?

A

maxilla below the infraorbital foramen

21
Q

What is the insertion of the Levator Anguli Oris muscle?

A

corner of the mouth

22
Q

What is the innervation of the Levator Anguli Oris muscle?

A

buccal branch of facial nerve (CN VII)

23
Q

What is the blood supply of the Levator Anguli Oris muscle?

A

facial artery

24
Q

What is the action of the Levator Anguli Oris muscle?

A

act to raise the corner of the mouth

25
What is noteworthy about the Levator Anguli Oris muscle muscle?
"smile" muscles
26
What is the origin of the Depressor Labii Inferioris muscle?
mandible
27
What is the insertion of the Depressor Labii Inferioris muscle?
skin of lower lip
28
What is the innervation of the Depressor Labii Inferioris muscle?
marginal mandibular branch of facial nerve (CN VII)
29
What is the blood supply of the Depressor Labii Inferioris muscle?
facial artery
30
What is the action of the Depressor Labii Inferioris muscle?
depresses the lower lip
31
What is noteworthy about the Depressor Labii Inferioris muscle?
used to bare lower incisor teeth
32
What is the origin of the Buccinator muscle?
alveolar processes of mandible and maxilla
33
What is the insertion of the Buccinator muscle?
angle of the mouth, orbicularis oris
34
What is the innervation of the Buccinator muscle?
buccal branch of the facial nerve (CN VII)
35
What is the blood supply of the Buccinator muscle?
facial artery
36
What is the action of the Buccinator muscle?
keeps cheeks taut, whistling and chewing
37
What is the origin of the Orbicularis Oris muscle?
skin and fascia of lips and surrounding lips
38
What is the insertion of the Orbicularis Oris muscle?
skin and fascia of lips
39
What is the innervation of the Orbicularis Oris muscle?
buccal branch of facial nerve (CN VII)
40
What is the blood supply of the Orbicularis Oris muscle?
facial artery
41
What is the action of the Orbicularis Oris muscle?
sphincter of the oral cavity, forms upper and lower lips, compresses lips against teeth, holds food during mastication
42
What is noteworthy about the Orbicularis Oris muscle?
"kissing muscle"

Anatomy (17 decks)

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