Musculature of the Mouth Flashcards Preview

Spinal Anatomy I - Exam 3 > Musculature of the Mouth > Flashcards

Flashcards in Musculature of the Mouth Deck (9):
1

What facial muscle will be present in both the upper and lower lip?

orbicularis oris

2

What facial muscle will act to close the mouth and to purse and protrude the lips?

orbicularis oris

3

What is the innervation of the orbicularis oris?

buccal (upper lip) and mandibular (lower lip) branches of the facial nerve

4

Which facial muscle is attached to the alveolar processes of the maxillary and mandibular molar teeth and to the muscles at the side of the mouth?

buccinator

5

What facial muscle acts to compress the cheeks against the teeth?

buccinator

6

What is the innervation of the buccinator?

buccal branches of the facial nerve

7

What facial muscle is attached to the parotid fascia and the skin at the corner of the mouth?

risorius

8

What facial muscle acts to draw back the angle of the mouth?

risorius

9

What is the innervation of the risorius?

buccal and mandibular branches of the facial nerve

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