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

Oral Cavity (week 2) Flashcards

1
Q

What nerve branch supplies sensation to the Lower cheek

A

Buccal nerve (V3) emerges from Infratemporal Fossa

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2
Q

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

A

Lingual nerve (V3)

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3
Q

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

A

Glossopharyngeal

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4
Q

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

A

Facial nerve (branch of VII)

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5
Q

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

A

Glossopharyngeal

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6
Q

Intrinsic muscles of tongue are innervated by what CN?

A

Hypoglossal

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7
Q

Genioglossus muscles are innervated by what CN

A

Hyposglossal

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8
Q

Hyoglossus attachments

A

Hyoid bone to lateral surface of tongue

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9
Q

Actions of Hyoglossus

A

Retrude tongue, draw sides downward

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10
Q

Styloglossus attachments

A

Styloid process to lateral tongue

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11
Q

Action of Styloglossus

A

Retrude tongue and draw sides upward

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12
Q

Hyoglossus innervation

A

Hypoglossal

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13
Q

Styloglossus innervation

A

Hypoglossal

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14
Q

Palatoglossus actions

A

Elevate tongue and depress palate

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15
Q

Palatoglossus innervation

A

CN X

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16
Q

What structure is deep to hyoglossus

A

Lingual artery

17
Q

What four structures are superficial to hyoglossus muscle

A
  1. Lingual nerve
  2. Hypoglossal nerve
  3. Lingual vein
  4. Submandibular duct
18
Q

What muscle protrudes the tongue

A

Genioglossus

19
Q

What muscles retrude tongue

A
  1. Hyoglossus
  2. Styloglossus
  3. Ant. Fibers of Genioglossus
20
Q

What muscles depress tongue

A
  1. Hyoglossus

2. Mid fibers of Genioglossal

21
Q

Which muscles elevate tongue

A

Palatoglossus and Styloglossus

22
Q

Which muscles shorten tongue

A

Superior and Inferior Longitudinal Instrinsic muscle fibers

23
Q

What muscle narrows tongue

A

Transverse fibers

24
Q

What muscle flattens tongue

A

Vertical intrinsic fibers

25
Q

What supplies sensation to the upper cheek?

A

Zygomaticofacial (V2) emerges from Pterygopalatine Fossa

Head and Neck Anatomy -ATSU (35 decks)

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