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Second Year Anatomy -Head and Neck > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Name the intrinsic muscles of the tongue

A

Longitudinal
Transverse
Vertical

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2
Q

Role of the instrinsic muscles?

A

Change shape of tongue

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3
Q

What nerve innervates the intrinsic muscles

A

Hypoglossal

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4
Q

What are the extrinsic muscles of the tongue?

A

Palatoglossus
Hyoglossus
Styloglossus
Genioglossus

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5
Q

What nerve innervates the palatoglossus?

A

Vagus

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6
Q

What nerve innervates the hyglossus?

A

Hypoglossal

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7
Q

What nerve innervates the styloglossus?

A

Hypoglossal

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8
Q

What nerve innervates the genioglossus?

A

Hypoglossal

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9
Q

What is the arterial supply to the tongue and where does this vessel originate from?

A

Lingual artery - External carotid

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10
Q

What is the venous drainage of the tongue and where does this drain into?

A

Lingual vein - internal jugular vein 9

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11
Q

Where does the lingual nerve arise from?

A

Post div of CNVc

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12
Q

What does the lingual nerve supply?

A

general sensation to the tongue

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13
Q

Where does taste sensation arise from?

A

Chorda typmani ant 2/3

Glosssopharangeal nerve - post 1/3

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14
Q

Where does the chorda tympani arise from?

A

Facial nerve

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15
Q

Where does the glossopharngeal nerve emerge from?

A

Medulla oblongata

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16
Q

Where does the glossopharyngeal nerve descend down the neck?

A

Internal and external carotid artery

17
Q

Position of hypoglossal nerve?

A

Crosses both internal and external carotid arteries

Passes ant to the facial artery

18
Q

What are the 2 lobes of the submandibular gland and what separates them?

A

Superficial and deep

Mylohyoid muscle

19
Q

What is the smallest salivary gland?

A

Sub-lingual

20
Q

What are the submandibular and sublingual glands innervated by?

A

Chorda tympani

Second Year Anatomy -Head and Neck (20 decks)

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