Head And Neck Flashcards
1
Q
Masseter
A
Prime mover of jaw closure.
Muscle at the base of the jaw
2
Q
Orbicularis oculi
A
Closes eye.
3
Q
Orbicularis oris
A
Closes lips.
Embouchure muscle
4
Q
Zygomaticus
A
Raises lateral corners of the mouth upwards.
Smiling muscle
5
Q
Epicranius - frontal belly
A
Raises eyebrows.
6
Q
Epicranius - occipital belly
A
Fixes aponeurosis and pulls scalp posteriorly.
7
Q
Platysma
A
Tenses skin of the neck.
Sheet-like superficial neck muscle
8
Q
Sternocleidomastoid
A
Flexes and laterally rotates head.
Forms the V in neck
9
Q
Sternohyoid
A
Depresses larynx and hyoid bone if mandible is fixed.
Longitudinal muscle alongside larynx
10
Q
Temporalis
A
Closes the jaw.
fan-like muscle that covers the temporal, parietal, and frontal bones
