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Gross Anatomy Exam 4 > Oral Cavity & Palate > Flashcards

Oral Cavity & Palate Flashcards

1
Q

Oral cavity extends between?

A

Lips and oropharynx

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2
Q

Oral fissure is?

A

Entrance to oral cavity (opening between lips)

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3
Q

Labial vestibule is?

A

Space between teeth and lips

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4
Q

Buccal vestibule is?

A

Space between teeth and cheeks

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5
Q

Oral cavity proper is?

A

Space within dental arcades

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6
Q

4 parts of hard palate

A
  1. Transverse ridges
  2. Median palatine raphe
  3. Incisive papilla
  4. Incisive duct
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7
Q

Incisive duct leads to?

A

Nasal cavity and vomeronasal organ

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8
Q

Vomeronasal organ is located?

A

At base of nasal septum

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9
Q

Soft palate aka?

A

Palatum molle

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10
Q

Soft palate continues caudally from the hard palate to?

A

Intrapharyngeal opening

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11
Q

Dorsal surface of soft palate is covered by?

A

Respiratory mucosa

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12
Q

Ventral surface of soft palate is covered by?

A

Oral mucosa (has longitudinal and transverse folds)

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13
Q

3 mm. of soft palate

A
  1. Palatine mm.
  2. Tensor veli palatini
  3. Levator veli palatini
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14
Q

Palatine mm. function

A

Shortens soft palate

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15
Q

Tensor veli palatini function

A

Tenses soft palate

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16
Q

Levator veli palatini function

A

Raises soft palate

17
Q

2 aa. of palate

A
  1. Minor palatine a.

2. Descending palatine a.

18
Q

Minor palatine a. is a direct branch from?

A

Maxillary a.

19
Q

Descending palatine a. is a direct branch from?

A

Maxillary a.

20
Q

2 branches from descending palatine a.

A
  1. Major palatine a.

2. Sphenopalatine a.

21
Q

Major palatine a. course

A

Cd. palatine foramen → palatine canal → major and minor palatine foramina → hard palate

22
Q

Major palatine a. supplies?

A

Hard palate

23
Q

Sphenopalatine a. supplies?

A

Interior nasal cavity

24
Q

Sphenopalatine a. course

A

Sphenopalatine foramen → interior nasal cavity

25
Q

5 nn. of palate

A
  1. Minor palatine n.
  2. Major palatine n.
  3. Glossopharyngeal n.
  4. Vagus n.
  5. Mandibular n.
26
Q

Minor palatine n. is branch of?

A

Pterygopalatine n.

27
Q

Pterygopalatine n. is branch of?

A

Maxillary n.

28
Q

Sensory supply to soft palate

A

Minor palatine n.

29
Q

Major palatine n. is branch of?

A

Pterygopalatine n.

30
Q

Major palatine n. passes through?

A

Palatine canal

31
Q

Sensory supply to mucosa of hard palate

A

Major palatine n.

32
Q

Major sensory n. of palate

A

Glossopharyngeal n.

33
Q

Major motor n. of palate

A

Vagus n.

34
Q

Glossopharyngeal and vagus nn. supply?

A

Pterygopharyngeal and palatopharyngeal mm.

35
Q

Mandibular n. is branch of?

A

Trigeminal n.

36
Q

Mandibular n. innervates?

A

Tensor veli palatini mm.

Gross Anatomy Exam 4 (17 decks)

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