Palate Flashcards

1
Q

What are the 4 bones that the hard palate is composed of?

A

right and left maxilla, right and left palatine

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2
Q

What kind of epithelium for the hard palate?

A

keratinised stratified squamous

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3
Q

What kind of epithelium for the soft palate?

A

non-keratinised stratified squamous

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4
Q

What is the palatine raphe?

A

fusion of palatal shelves

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5
Q

What is cleft palate due to?

A

failure of lateral palatine processes to meet and fuse

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6
Q

4 complication of cleft palate?

A

speech, dental health, feeding and hearing

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7
Q

What foramen does the branch of the nasopalatine pass through?

A

incisive foramen

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8
Q

What does the branch of the nasopalatine nerve supply?

A

palatal gingivae of anterior teeth and mucosa of anterior palate

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9
Q

Where do retropharyngeal nodes?

A

retropharyngeal space

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10
Q

What does the jugulodigastric node drain?

A

palatine tonsil

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11
Q

Where do deep cervical nodes drain?

A

carotid sheath

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12
Q

Where do submandibular nodes drain?

A

in the neck superficial to the submandibular gland

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13
Q

What are the arches of the soft palate made of?

A

skeletal muscle covered in mucosa

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14
Q

What are the 5 pairs of muscles of the soft palate?

A

levator veli palatini, tensor veli palatini, musculus uvulae, palatoglossus and palatopharngeus

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15
Q

What are the skeletal muscles of the soft palate supplied by?

A

CNs X/XI except tensor veli palatini (CNV3)

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16
Q

What muscle changes direction and forms a palatine aponeurosis?

A

tensor veli palatine

17
Q

What does the tensor veli palatine turn medially around?

A

pterygoid hamulus

18
Q

Clinical test fro vagus nerve?

A

ask pt to say ‘ahhh’

19
Q

Clinical test results for vagus nerve if functioning?

A

uvula lift straight up the midline

20
Q

Clinical test results for vagus nerve if not functioning properly?

A

uvula pulled away from the non-functioning side

21
Q

Function of soft palate as a ‘trapdoor’

A

stops food entering nose during swallowing, directs air and closes off entrance into oropharynx during gag reflex