Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

602 EX 3 > Oral Mucosa > Flashcards

Oral Mucosa Flashcards

1
Q

_____________ lines oral cavity, palate, tongue, alveolar bone

A

Oral mucosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

_____________ separates epithelium and lamina propria

A

Basal lamina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

_______ granules are deeply stained granules in cytoplasm of cells in granular layer

A

Keratohyalin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

does oral mucosa have Langerhans cells?

A

NO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the 2 layers of oral mucosa?

A
  1. Stratified squamous epithelium
  2. Lamina propria
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are the 3 types of stratified squamous epithelium? what makes then different?

A
  1. Keratinized: seen where there is abrasion, no nuclei in surface cells
  2. Nonkeratinized: nuclei in surface cells
  3. Parakeratinized: transition bw non-keratinized → keratinized, some surface cells with nuclei, some without
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

which stratified squamous epithelium has no submucosal layer and larger rete pegs?

A

keratinized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

which layer has blood vessels?

A

Lamina propria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what can the lamina propria be broken down into?

A
  • papillary layer
  • Reticular layer
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

where can submucosa be found? Is it always present?

A
  • underneath lamina propria
    -Submucosa may or may not be present
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what can be found in submucosa layer?

A

glands / fat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are the layers of oral mucosa in an area of the mouth that experiences a lot of abrasion from furthest outside –> inside?

A

keratinized layer → granular → prickle cell layer → basal cell layer → basement membrane → papillary layer → Dense fibrous layer → Submucosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what layer are dividing cells found in?

A

basal cell layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are the 3 major classifications of oral mucosa?

A
  1. Lining
  2. Masticatory
  3. Speecialized
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Where can Lining oral mucosa be found? what type of epithelia is it?

A

-Lips, cheeks, floor of mouth, alveolar bone, soft palate, ventral tongue
- non-keratinized stratified squamous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

where is masticatory oral mucosa found? what type of epithelia is it?

A
  • Gingiva and hard palate/Where there is a lot of friction
  • keratinized stratified squamous
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what are all of the different examples of masticatory oral mucosa? (5)

A
  1. Free/Marginal gingiva
  2. Attached gingiva
  3. Interdental papilla
  4. Col
  5. Hard palate
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what are the boundaries of free gingiva?

A

Gingival margin (coronally), free gingival groove (apically), gingival sulcus (inner aspect), vestibule and oral cavity (outer aspect)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what is the histology of free gingiva like?

A

-Long, thin epithelial rete pegs
-keratinized stratified squamous (but can sometimes be para or even non-keratinized)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

_________ epithelium is that epithelium which exists on the sulcular side of the free gingival margin and is usually __________ stratified squamous epithelium that lacks _________

A

Sulcular
non-keratinized
pronounced rete ridges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what are the boundaries of attached gingiva?

A

-free gingival groove (coronally), mucogingival junction (apically)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Attached gingiva is __________ stratified squamous epithelium that shows stippling. It has much ________ contact with underlying CT than lining mucosa

A

Keratinized
much MORE contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what is this an example of?

A

attached gingiva

notice how deep the rete pegs are, allowing more contact with the underlying CT

24
Q

__________ occupies the embrasure between teeth subjacent (below) to the interdental contact area

A

Interdental papilla

25
Q

what is the epithelium of Interdental papilla like?

A

Keratinized stratified squamous epithelium

26
Q

_____ is the concave tissue between the peaks of the interdental papilla

A

Col

27
Q

what type of epithelium of Col like?

A

non-keratinized stratified squamous

28
Q

what are the different divisions of oral mucosa of the Hard palate? (4)

A
  1. Palatine/Median raphe
  2. Anterior region
  3. Anterolateral area
  4. Posterolateral area
29
Q

____________ is the lengthwise ridge of mucosa along the midline

A

Palatine/Median Raphe

30
Q

what is the histology of Palatine raphe like?

A

keratinized stratified squamous

31
Q

___________ is when lamina propria attaches directly to the underlying bone; NO mucosa

A

Mucoperiosteum

32
Q

what is the histology like for the anterior region of the soft palate? Does it have mucoperiosteum?

A
  • keratinized strat squamous
  • yes
33
Q

__________ are transverse ridges of mucosa; these do NOT cross median raphe

A

Rugae

34
Q

___________ are dense CT remnants of nasopalatine ducts

A

Incisive papilla

35
Q

what is the histology like for the Anterolateral area of hard palate? Submucosa is present here and contains _________

A

keratinized stratified squamous
adipose CT

36
Q

what is the histology like for the POsterolateral area of the hard palate? Submucosa is present here and contains _________–

A

Keratinized or Parakeratinizd strat sq.
Minor salivary glands

37
Q

what is the only type of Masticatory oral mucosa that has nonkeratinized strat squamous epithelium?

A

Col

38
Q

_____________ is epithelium beneath the anatomical sulcus. what makes this unique?

A

Junctional epithelium

One of the ONLY areas in the body where you have an epithelium with basal lamina on both sides

39
Q

what joins the sides of junctional epithelium?

A

desmosomes and hemidesmosomes

40
Q

what is the histology of junctional epithelium?

A

nonkeratinized stratified squamous

41
Q

where can specialized oral mucosa be found? what is its histology?

A

dorsal surface of tongue
may be keratinized or nonkeratinized

42
Q

what are the different types of papillae on the tongue? (4)

A
  1. Filliform
  2. Fungiform
  3. Circumvallate
  4. Foilate
43
Q

___________ papillae are the most common, don’t have taste buds, and give the tongue a rough surface

A

Filliform

44
Q

_________ papillae are mushroom shaped and are scattered over the anterior tongue

A

Fungiform

45
Q

___________ papillae are found along sulcus terminalis and are the largest in size. where are the taste buds on these found?

A

circumvallate
lateral surface

46
Q

__________ papillae have parallel ridges with furrows and are located on the posterolateral border. where are the taste buds loated on these?

A

Foliate
within furrows, but they are smaller than circumvallate

47
Q

what type of papillae is shown here?

A

Filliform

48
Q

what type of papillae is shown here?

A

Fungiform

49
Q

what type of papillae is shown here?

A

circumvallate

50
Q

what type of papillae is shown here?

A

Foilate (taste buds within furrows on side but smaller than circumvallate)

51
Q

what is this a scan of?

A

taste bud

52
Q

______________ is the transition area between skin and oral mucous membrane

A

Mucocutaneous junction (lips)

53
Q

______________ is the line separating vermillion zone and skin

A

Vermillion border (border of lips)

54
Q

___________ is Very thin, keratinized epithelium with Long CT papillae

A

Vermillion zone (lips)

55
Q

___________ is between vermilion zone and labial mucosa. what type of epithelium is this?

A

Intermediate zone
parakeratinized strat sq.

56
Q

_____________ are serous salivary glands, what makes them unique?

A

Von ebners
ONLY example of serous minor glands in the mouth

602 EX 3 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions