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Gross II > Palate > Flashcards

Palate Flashcards

1
Q

What does the palate do

A

separates the oral cavity from the nasal cavity

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2
Q

What bony structures make up the hard palate

A

Palatine process of maxillae -anterior 2/3 of hard palate

Horizontal Plates of palatine- posterior 1/3 of hard palate

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3
Q

What covers the hard palate

A

mucous membrane and includes the palatine glands

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4
Q

What is the soft palate

A

fibromuscular element covered by mucous membrane and palatine glands

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5
Q

What structure is found at the posterior termination of the soft palate

A

The Uvula

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6
Q

What does the soft palate doe during swallowing

A

the soft palate elevates, closing the oral pharynx from the nasopharynx

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7
Q

What are the 5 muscles of the palate

A 
Levator Veli Palatini
Tensor Veli Palatini
Musculus Uvulae
Palatoglossus
Palatopharyngeus
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8
Q

What is the origin of the levator veli palatini

A

temporal bone and Eustachian tube cartilage

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9
Q

What is the action of the Levator Veli Palatini

A

elevate and retract palate

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10
Q

What is the origin of the Tensor Veli Palatini

A

sphenoid bone and Eustachian tube cartilage

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11
Q

What is the action of tensor veli palatini

A

tightens and flattens the palate

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12
Q

What is the origin of the musculus uvulae

A

Hard palate

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13
Q

What is the action of the musculus uvulae

A

elevate the uvula

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14
Q

What is the palatoglossal fold

A

fold of mucous membrane that covers the palatoglossal muscle

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15
Q

What is the origin of the palatopharyngeus muscle

A

Hard and soft palate

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16
Q

What is the action of the palatopharyngeus

A

elevates the pharynx

17
Q

What is the palatopharyngeal fold

A

mucous membrane that covers the palatopharyngeal muscle

18
Q

What is the Tonsilar Fossa

A

space between the palatoglossal and palatopharyngeal folds along wall of pharynx

19
Q

What is contained inside of the tonsilar fossa

A

Palatine tonsils

20
Q

What are all muscles of the palate innervated by? Whats the exception?

A

CN10

Tensor Veli Palatini innervated by CN10 and V3

21
Q

What supplies general sensory innervation to the palate

A

Palatine Branches of V2 (maxillary)

22
Q

What supplies taste innervation to the palate

A

Greater Petrosal Nerve (branch of CN7)

23
Q

What supplies parasympathetic innervation to palatine glands

A

pregang: greater petrosal nerve
postgang: sphenopalatine ganglion

24
Q

What arteries supply the palate

A

Palatine branches of maxillary and facial arteries

Gross II (13 decks)

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