Muscles of Facial Expression (week 2) Flashcards Preview

Head and Neck Anatomy > Muscles of Facial Expression (week 2) > Flashcards

Flashcards in Muscles of Facial Expression (week 2) Deck (21)
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0
Q

What muscle Elevates the angle of the mouth

A

Levator Anguli Oris

1
Q

What are the three actions of Orbicularis Oris

A
  1. Compresses lips against anterior teeth
  2. Closes mouth
  3. Protrude lips
2
Q

Name the five muscles of facial expression of the mouth

A

Orbicularis Oris, Depressor Anguli Oris, Levator Anguli Oris, Zygomaticus Major and Risorius

3
Q

What is the action of the Risorius muscle

A

Draws angle of mouth laterally

4
Q

Action of the Depressor Anguli Oris

A

Depresses Angle of Mouth

5
Q

Action of Zygomaticus Major?

A

Draws angle of mouth up and back

6
Q

What muscle Depresses angle of mouth

A

Depressor Anguli Oris

7
Q

What muscle draws angle of mouth laterally

A

Risorius

8
Q

What muscle compresses lips?

A

Orbicularis Oris

9
Q

What muscle draws angle of mouth up and back

A

Zygomaticus Major

10
Q

Name two muscles of facial expression of Lips

A

Levator Labii Superioris and Depressor Labii Inferioris

11
Q

Which muscle depresses lower lip

A

Depressor Labii Inferioris

12
Q

Which muscle elevates upper lip and flares nostril

A

Levator Labii Superioris

13
Q

Action of Buccinator

A

Compresses cheeks against molar teeth and is involved in sucking and blowing

14
Q

What muscle puckers skin of chin and protrudes lower lips

A

Mentalis

15
Q

Action of Levator Labii Superioris

A

Elevates upper lip and Flares Nostril

16
Q

Action of Nasalis

A

compresses or dilates nostrils

17
Q

Action of Depressor Labii Inferioris

A

Depresses lower lip

18
Q

Action of Orbicularis Oculi

A
  1. Closes eye

2. Squeezes tears against eyeballs

19
Q

Action of Procerus

A

Transverse wrinkling of bridge of nose

20
Q

Action of Auricularis (ant., sup., and post.)

A

Pulls ear