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gross anatomy 2 palmer > oral cavity > Flashcards

oral cavity Flashcards

1
Q

what are the boundaries of the oral cavity?

A

roof- palate
floor- tongue and oral mucosa
anterior and lateral-lips and cheeks
posterior- oropharyngeal isthmus

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2
Q

what are the 2 divisions of the oral cavity?

A

oral vestibule

oral cavity proper

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3
Q

what is the portion of the oral cavity that lies between the lips and gums or cheek and gums?

A

oral vestibule

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4
Q

what opens into the oral vestibule?

A

labial glands

parotid duct

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5
Q

which portion of the oral cavity lies internal to the tooth rows?

A

oral cavity proper

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6
Q

the lips contain which muscle and gland?

A

orbicularis oris muscle and labial glands

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7
Q

the cheeks contain which muscle and glands?

A

buccinator muscle and buccal glands

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8
Q

the hard palate forms which part of the palate?

A

anterior 2/3

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9
Q

the soft palate forms which part of the palate?

A

posterior 1/3

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10
Q

the hard palate consists of what 2 structures?

A

palatine process of maxilla- anteriorly

horizontal plate of palatine bone- posteriorly

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11
Q

what are the 3 foramina of the hard palate?

A

incisive foramen
greater palatine foramen
lesser palatine foramen

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12
Q

what is the hard palate covered by?

A

mucoperiosteum

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13
Q

the mucoperiosteum presents a palatine raphe which ends?

A

anteriorly in the incisive papilla

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14
Q

which structure extends laterally within the mucoperiosteum and aids in gripping food against the tongue during mastication?

A

transverse palatine folds

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15
Q

when is the soft palate elevated?

A

during swallowing to close the opening between the nasopharynx and oropharynx

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16
Q

what are the 2 lateral arches of the soft palate?

A

palatoglossal arch
palatopharyngeal arch

both contain a fold and a muscle

17
Q

where does the tonsillar fossa lie and what does it contain?

A

lies between the palatoglossal and palatopharyngeal arches and contains the palatine tonsil

18
Q

what is the innervation of the hard palate?

A

greater palatine and nasopalatine nerves

19
Q

what is the innervation of the soft palate?

A

lesser palatine nerve

20
Q

what is the blood supply to the hard palate?

A

greater palatine artery

21
Q

what is the blood supply to the soft palate?

A

lesser palatine and facial arteries

gross anatomy 2 palmer (16 decks)

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