Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy Exam 2 > Muscles of the Face- Lecture 14 > Flashcards

Muscles of the Face- Lecture 14 Flashcards

1
Q

What are the 10 muscles of facial expression?

A 
Platysma
Occipitofrontalis
Orbicularis Oculi
Procerus
Risorius
Orbicularis
Nasalis
Zygomaticus Minor
Zygomaticus Major
Levator Labii Superioris

POOP RON (wee)ZZL(y)

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

What is the origin of the platysma?

A

SubQ of infraclavicular and supraclavicular regions

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

What is the insertion of the platysma?

A

Base of mandible
Skin of cheek
Lower lip and of the mouth
Orbicularis oris

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

What action is the Platysma responsible for?

A

Depressing the mandible

Tensing the skin of the inferior face and neck

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

What are the 2 origins of the Occipitofrontalis?

A

Anteriorly from epicranial aponeurosis

Posteriorly from the superior nuchal line

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

What are the 2 insertions of the Occipitofrontalis?

A

Epicranial aponeurosis posteriorly

Skin of the the eyebrows and forehead

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

What action is the Occipitofrontalis is responsible for?

A

Elevates eyebrows

Protracts the scalp

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

What is the origin of the Orbicularis Oculi?

A

Orbital margin
Palpebral ligament
Lacrimal bone

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

What is the insertion of the Orbicularis Oculi?

A

Skin around the margin of the orbit

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

What action is the Orbicularis Oculi responsible for?

A

Closes eyelids

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

What is the origin of the Procerus?

A

Facial aponeurosis

Lateral nasal catilages

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

What is the insertion of the Procerus?

A

Skin between eyebrows

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

What action is the Procerus responsible for?

A

Depresses the medial sides of the eyebrows

Wrinkles skin over the dorsum of the nose

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

What is the origin of the Risorius?

A

Parotic fascia

Buccal skin

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

What is the insertion of the Risorius?

A

Angle of the mouth

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

What action is the Risorius responsible for?

A

Depresses labial commissures (corner of the mouth)

17
Q

What is the origin of the Zygomaticus Minor?

A

Anterior part of the zygomatic bone

18
Q

What is the insertion of the Zygomaticus Minor?

A

Skin of the upper lip

19
Q

What action is the Zygomaticus Minor responsible for?

A

Dilation of the mouth

20
Q

What is the origin of the Zygomaticus Major?

A

Lateral part of the zygomatic bone

21
Q

What is the insertion of the Zygomaticus Major?

A

Angle of mouth

22
Q

What action is the Zygomaticus Major responsible for?

A

Elevates labial commissures (corner of the mouth)

23
Q

What is the origin of the Levator Labii Superioris?

A

Infraorbital margin

24
Q

What is the insertion of the Levator Labii Superioris?

A

Skin of the upper lip

25
Q

What action is the Levator Labii Superioris responsible for?

A

Dilation of the mouth- similar to Zygomaticus minor

26
Q

What are the 2 muscles of the mouth and lips?

A

Depressor anguli oris

Depressor labii inferioris

27
Q

What is the origin for the Depressor anguli oris?

A

Anterolateral base of the mandible

28
Q

What is the insertion for the Depressor anguli oris?

A

Angle of mouth

29
Q

What action is the Depressor anguli oris responsible for?

A

Depresses labial commissures (corner of the mouth)

*Opposite of the Zygomaticus Major

30
Q

What is the origin for the Depressor labii inferioris?

A

Platysma and anterolateral body of the mandible

31
Q

What is the insertion for the Depressor labii inferioris?

A

Skin of the lower lip

32
Q

What action is the Depressor lbii inferioris responsible for?

A

Mouth dilator

Depresses and everts the lower lip

Anatomy Exam 2 (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions