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Flashcards in Face Deck (84)
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1

What are the names of the 2 sections that the bones of the skull can be divided into?

Neurocranium (TOPF, ethmoid, sphenoid) and viscerocranium (face)

2

What do all mm. of facial expression insert onto?
What is their common motor innervation?

- The skin of the face
- Branches of the Facial n. (CN VII)

3

Frontal belly of frontalis m: I & A?

- Temporal branches of facial n.
- Wrinkles forehead

4

Obicularis oculi m: I & A?

- Facial n. (CN VII)
- Closes eyelids

5

Procerus m: I & A?

- Facial n.
- Draws down medial angle of eyebrows, produces transverse wrinkles over bridge of nose and "frowns" forehead

6

Levator labii superioris alaeque nasi m: I & A?

- Facial n.
- Elevates upper lip and dilates nostril, raises angle of mouth, elevates upper lip laterally

7

Nasalis m: I & A?

- Facial n.
- Draws ala of nose toward septum. Opens and closes nostrils , particularly in forced respiration

8

Levator labii superioris m: I & A?

- Facial n.
- Elevates and everts upper lip

9

Zygomaticus minor m: I & A?

- Facial n.
- Elevates upper lip

10

Zygomaticus major m: I & A?

- Facial n.
- Draws angle of mouth backwards and upwards

11

Orbicularis oris m: I & A?

- Facial n.
- Compression, contractions, and protrusion of lips

12

Depressor labii inferioris m: I & A?
Where is it w/respect to depressor anguli oris m?

- Facial n.
- Depresses lower lip and draws it laterally
- Medial and (I think ) deep

13

Mentalis m: I & A?

- Facial n.
- Raises and protrudes lower lip

14

Depressor anguli oris m: I & A?

- Facial n.
- Depresses angle of mouth

15

Risorius m: I & A?
Where is it in respect to the buccinator m?

- Facial n.
- Retracts angle of mouth
- Sits on top of buccinator m.

16

Platysma: I & A?

- Facial n.
- Tenses skin of neck

17

Corrugator supercilii m: I & A?

(Deep)
- Facial n.
- Draws eyebrows downward and medially, produces wrinkles in frowning

18

Occipitalis belly, occipitofrontalis m: I & A?

(Deep)
- Facial n.
- Moves scalp backwards

19

Buccinator m: I & A?

(Deep)
- Facial n.
- Compresses cheek, expels air b/w lips, aids in mastication

20

Levator anguli oris m: I & A?

(Deep)
- Facial n.
- Elevates angle of mouth
* It's deep to all the mm. around it

21

Sensory innervation of the face is done by what nerve?

Trigeminal n. (CN V)

22

The facial n. exits the skull via what hole? What does it pierce?

Stylomastoid foramen, piercing parotid gland

23

What are the 5 major branches of the facial n.?

Ten Zebras Bashed My Car (top -> bottom)
1. Temporal
2. Zygomatic
3. Buccal
4. Marginal/Mandibular
5. Cervical

24

Palsy to cranial nerve VII causes what disorder?

Bell's Palsy (unilateral facial paralysis)

25

What are the 3 divisions of the trigeminal nerve?

Ophthalmic division (V1)
Maxillary division (V2)
Mandibular division (V3)

26

What are the branches of the ophthalmic division of the trigeminal n? (V1)

"LaSSIE"
La: lacrimal
S: Supraorbital
S: Supratrochlear
I: Infratrochlear
E: External nasal

27

What are the branches of the maxillary division of the trigeminal n? (V2)

"IZZ" (check this)
Infraorbital
Zygomatic temporal
Zygomaticofacial

28

What are the branches of the mandibular division of the trigeminal n? (V3)

"A BML" (check this)
Auriculotemporal
Buccal
Mental
Lingual

29

The parotid gland is innervated by parasympathic fibers of what nerve, which then synapses w/what ganglion?

- Glossopharyngeal n. (CN IX)
- Otic ganglion

30

The glossopharyngeal n. travels w/what n. as it passes thru the parotid gland?

Auriculotemporal n. (mandibular branch of V3)