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):
0

What are the three actions of Orbicularis Oris

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

1

What muscle Elevates the angle of the mouth

Levator Anguli Oris

2

Name the five muscles of facial expression of the mouth

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

3

What is the action of the Risorius muscle

Draws angle of mouth laterally

4

Action of the Depressor Anguli Oris

Depresses Angle of Mouth

5

Action of Zygomaticus Major?

Draws angle of mouth up and back

6

What muscle Depresses angle of mouth

Depressor Anguli Oris

7

What muscle draws angle of mouth laterally

Risorius

8

What muscle compresses lips?

Orbicularis Oris

9

What muscle draws angle of mouth up and back

Zygomaticus Major

10

Name two muscles of facial expression of Lips

Levator Labii Superioris and Depressor Labii Inferioris

11

Which muscle depresses lower lip

Depressor Labii Inferioris

12

Which muscle elevates upper lip and flares nostril

Levator Labii Superioris

13

Action of Buccinator

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

14

What muscle puckers skin of chin and protrudes lower lips

Mentalis

15

Action of Levator Labii Superioris

Elevates upper lip and Flares Nostril

16

Action of Nasalis

compresses or dilates nostrils

17

Action of Depressor Labii Inferioris

Depresses lower lip

18

Action of Orbicularis Oculi

1. Closes eye
2. Squeezes tears against eyeballs

19

Action of Procerus

Transverse wrinkling of bridge of nose

20

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

Pulls ear