Major Muscles Of Facial Expression Flashcards
1
Q
Orbicularis oculi
A
Closes eye
2
Q
Orbicularis oris
A
Puckers lips
3
Q
Zygomaticus major
A
Smile
4
Q
Buccinator
A
Purse lips as if to blow an instrument
5
Q
Frontalis
A
Raises eyebrows
6
Q
Occipitalis
A
Nothing, inserts into galea aponeurotica
7
Q
Galea aponeurotica
A
Fascia surrounding top of skull, attaches to frontalis and occipitalis
8
Q
Platysma
A
Stretches skin over neck
9
Q
Risorius
A
Draws angle Of mouth backward (smile)
10
Q
Nasalis
A
Depresses nostrils (dilates or flares nostrils)
11
Q
Depressor anguli oris
A
Draws angle of mouth downward (frown)
12
Q
What nerve innervates these muscles
A
CN VII (7)