Oral Cavity (week 2) Flashcards Preview

Head and Neck Anatomy > Oral Cavity (week 2) > Flashcards

Flashcards in Oral Cavity (week 2) Deck (25):
0

What supplies sensation to the upper cheek?

Zygomaticofacial (V2) emerges from Pterygopalatine Fossa

1

What nerve branch supplies sensation to the Lower cheek

Buccal nerve (V3) emerges from Infratemporal Fossa

2

What nerve branch supplies general sensory to the anterior 2/3 of tongue

Lingual nerve (V3)

3

What nerve branch supplies general sensory to Posterior 1/3 of tongue

Glossopharyngeal

4

What nerve branch supplies taste special sensory to anterior 1/3 of tongue?

Facial nerve (branch of VII)

5

What nerve branch gives taste special sensory to posterior 1/3 of tongue

Glossopharyngeal

6

Intrinsic muscles of tongue are innervated by what CN?

Hypoglossal

7

Genioglossus muscles are innervated by what CN

Hyposglossal

8

Hyoglossus attachments

Hyoid bone to lateral surface of tongue

9

Actions of Hyoglossus

Retrude tongue, draw sides downward

10

Styloglossus attachments

Styloid process to lateral tongue

11

Action of Styloglossus

Retrude tongue and draw sides upward

12

Hyoglossus innervation

Hypoglossal

13

Styloglossus innervation

Hypoglossal

14

Palatoglossus actions

Elevate tongue and depress palate

15

Palatoglossus innervation

CN X

16

What structure is deep to hyoglossus

Lingual artery

17

What four structures are superficial to hyoglossus muscle

1. Lingual nerve
2. Hypoglossal nerve
3. Lingual vein
4. Submandibular duct

18

What muscle protrudes the tongue

Genioglossus

19

What muscles retrude tongue

1. Hyoglossus
2. Styloglossus
3. Ant. Fibers of Genioglossus

20

What muscles depress tongue

1. Hyoglossus
2. Mid fibers of Genioglossal

21

Which muscles elevate tongue

Palatoglossus and Styloglossus

22

Which muscles shorten tongue

Superior and Inferior Longitudinal Instrinsic muscle fibers

23

What muscle narrows tongue

Transverse fibers

24

What muscle flattens tongue

Vertical intrinsic fibers