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Oral Biology 2020 > 4/11/17 Dr. TRUMP Oral Mucosa TEST #4 > Flashcards

4/11/17 Dr. TRUMP Oral Mucosa TEST #4 Flashcards

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1
Q

What are the three functions of oral mucosa?

A
  • Protection
  • Sensation
  • Secretion
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2
Q

T/F In the oral mucosa there is stratified squamous epithelium that has underlying lamina propria.

A

True

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3
Q

Oral mucosa has 2 layers, what are they?

A
  • Stratified squamous epithelium

- Lamina propria

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4
Q

What is the connective tissue that supports the epithelium?

A

-Lamina propria

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5
Q

What are the two layer of the lamina propria?

A
  • Papillary

- Reticular

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6
Q

What is the difference between orthokeratinized and parakeratinized?

A

-Ortho doesn’t contain nuclei

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7
Q

Would you expect to find the stratum granulosum to be found in the ortho or parakeratinzed epithelium?

A

-Ortho

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8
Q

What does the basal lamina do in the oral mucosa?

A

-Separates the epithelium and the lamina propria

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9
Q

T/F The oral mucosa lacks langerhan cells

A

True

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10
Q

What layer is where the cells divide to begin maturation in epithelial cells?

A

-Basal cells

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11
Q

Where do cancers typically begin?

A

-Basal cells

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12
Q

What functions as mechanical support to the epithelium and carries blood vessels/nerves?

A

-Lamina propria

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13
Q

Which layer of the lamina propria is loose CT?

A

-Papillary layer

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14
Q

Which layer of the lamina propria is dense CT?

A

-Retricular layer

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15
Q

T/F THe oral mucosa of the cheek has a thinner lamina propria then the outer surface of the lip

A

True

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16
Q

What area has the thinnest epithelium of the oral cavity, and is great for drug delivery?

A

-Sublingual mucosa (ventral tongue)

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17
Q

Which mucosa has small rete pegs?

A

-Alveolar mucosa

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18
Q

Which mucosa has tall rete pegs?

A

-Gingiva

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19
Q

Lips: Keratinized or non-keratinized

A

Non-keratinized

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20
Q

Cheeks: Keratinized or non-keratinized

A

Non-keratinized

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21
Q

Gingiva: Keratinized or non-keratinized

A

Keratinized

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22
Q

Hard palate: Keratinized or non-keratinized

A

Keratinized

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23
Q

Floor of mouth: Keratinized or non-keratinzed

A

Non-keratinized

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24
Q

Alveolar bone: Keratinized or non-keratinized

A

Non-keratinized

25
Q

Soft palate: Keratinized or non-keratinized

A

Non-keratinized

26
Q

Ventral tongue: Keratinized or non-keratinized

A

Non-keratinized

27
Q

Dorsal surface of the tongue: Keratinized or non-keratinized

A

-Specialized, but typically keratinzied

28
Q

What is the transition area between the skin and the oral mucous membrane?

A

-Mucocutaneous junction

29
Q

What is the line separating the vermillion zone and skin?

A

-Vermillion border

30
Q

What type of epithelium is the vermillion zone?

A

-Thin, keratinized epithelium

31
Q

T/F The vermillion zone has short CT papillae

A

False

-Long

32
Q

What is the area between the vermillion zone and labial mucosa?

A

-Intermediate zone

33
Q

Is the sulcular epithelium thick or thin?

A

-Thin-nonkeratinized

34
Q

What occupies the embrasure between teeth subjacent to the interdental contact area?

A

Interdental papilla

35
Q

What type of stratified squamous epithelium is the interdental papilla?

A

-Keratinized

36
Q

What is the concave tissue between the peaks of the interdental papillae (just below the contact area)?

A

-Col

37
Q

What type of stratified squamous epithelium is the col?

A

-Non-keratinzied

38
Q

Where do you find rugae in the hard palate?

A

-Anterior

39
Q

What is the midline hard palate called?

A

-Median palatine raphe

40
Q

What region of the hard palate has no submucosa and the lamina propria is directly attached to bone?

A

-Anterior

41
Q

What are the four papillae of the tongue?

A
  • Filiform
  • Fungiform
  • Circumvallate
  • Foliate
42
Q

What papillae of the tongue has no taste buds?

A

-Filiform

43
Q

Where do you find fungiform papillae?

A

-Anterior tongue

44
Q

What is the largest papillae of the tongue?

A

-Circumvallate

45
Q

Where are circumvallate papillae located?

A

-Located along sulcus terminalis

46
Q

What papillae of the tongue are located on posterolateral border?

A

-Foliate

47
Q

What papillae of the tongue are parallel ridges with furrows?

A

-Foliate

48
Q

What are the two components of the Dentogingival junction?

A
  • JUnctional epithelium

- Epithelial attachment

49
Q

Which component of the dentogingival junction forms the floor of the gingival sulcus?

A

-Junctional epithelium

50
Q

What is the junctional epithelium derived from?

A

-REE

51
Q

What component of the dentogingival junction extends apically along root to form a seal?

A

-Junctional epithelium

52
Q

Which component of the dentogingival junction is basal lamina like material?

A

-Epithelial attachment

53
Q

Which component of the dentogingival junction contains the enamel cuticle from protective ameloblasts?

A

-Epithelial attachment

54
Q

Which component of the dentogingival junction has hemidesmosomes?

A

-Epithelial attachment

55
Q

T/F A healthy sulcus should not have rete pegs

A

True

56
Q

What do rete pegs in the sulcus indicate?

A

-Inflammation

57
Q

What is the CT supporting junctional epithelium and is different than that under gingival and sulcular epithelium?

A

-Dentogingival epithelium

58
Q

T/F Junctional epithelium does not mature because of the deeper permissive influences

A

True

Oral Biology 2020 (21 decks)

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