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Semester 2 Biological Sciences 2 > Oral Histology > Flashcards

Oral Histology Flashcards

1
Q

what type of epithelium is present within the oral mucosa

A

stratified squamous epithelium

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2
Q

what type of connective tissue is present in the oral mucosa

A

lamina propria

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3
Q

what may or may not be present in the oral mucosa

A

submucosa

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4
Q

the oral epithelium can be ______________ or _____________

A

keratinized or nonkeratinized

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5
Q

how many layers does the oral epithelium contain

A

3 or 4 varying in thickness

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6
Q

keratinized epithelium containing keratin and nuclei

A

parakeratinized

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7
Q

keratinized epithelium containing keratin but NO nuclei

A

orthokeratinized

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8
Q

oral epithelium and lamina propria

A

basement membrame

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9
Q

epithelial projections towards the lamina propria

A

rete ridges

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10
Q

lamina propria projections towards the epithelium

A

connective tissue papillae

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11
Q

the oral lamina propria is made of what type of fibers

A

type I

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12
Q

what are the two layers of the oral lamina propria

A

papillary layer and dense fibrous layer

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13
Q

which layer of the lamina propria is more superficial

A

papillary layer

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14
Q

papillary layer of the lamina propria is made of ________________ tissue

A

loose connective

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15
Q

what does the papillary layer of the lamina propria contain

A

blood vessels, nerve tissues, and capillary plexus

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16
Q

what does the dense layer of the lamina propria contain

A

connective tissue fibers

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17
Q

attaches mucosa to bone or muscle

A

oral submucosa

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18
Q

where is the submucosa located

A

beneath the oral mucosa

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19
Q

what may the submucosa contain

A

fat and/or minor salivary glands

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20
Q

is lining mucosa keratinized or nonkeratinized

A

nonkeratinized

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21
Q

how many layers are there to the lining mucosa and what are they

A

3: basal, intermediate, and superficial

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22
Q

what does the interface of the lining mucosa look like

A

relatively flat

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23
Q

what type of fibers are present in the lining mucosa

A

elastic fibers

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24
Q

is there a submucosa in the lining mucosa

A

usually, yes

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25
Q

what are types of lining mucosa

A

buccal mucosa, labial mucosa, ventral surface of the tongue, floor of the mouth, alveolar mucosa and soft palate

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26
Q

is the epithelium of buccal mucosa thick or thin

A

thick

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27
Q

what does the submucosa in the buccal mucosa contain

A

adipose tissue

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28
Q

is the epithelium in the floor of the mouth and ventral surface of the tongue thick or thin

A

thin

29
Q

what does the submucosa in the floor of the mouth and ventral surface of the tongue contain

A

loose connective tissue and adipose tissue

30
Q

what does the submucosa within the soft palate contain

A

adipose tissue

31
Q

why is the soft palate sometimes yellow

A

adipose tissue

32
Q

is masticatory mucosa keratinized or nonkeratinized

A

keratinized

33
Q

how many layers are there to the masticatory mucosa and what are they

A

4: basal, prickle, granular, and keratin

34
Q

what does the interface look like in the masticatory mucosa

A

highly interdigitated

35
Q

what is the lamina propria like in masticatory mucosa

A

fibrous

36
Q

is there a submucosa present is masticatory mucosa

A

thin or absent

37
Q

what are types of masticatory mucosa

A

hard palate and gingiva

38
Q

what type of epithelium does the hard palate have

A

thick orthokeratinized

39
Q

why is the hard palate firm

A

due to attachment of lamina propria to bone

40
Q

where is the submucosa at on the hard palate

A

lateral portions of the hard palate

41
Q

what type of epithelium does gingiva have

A

parakeratinized

42
Q

where does the gingiva extend to

A

mucogingival junction

43
Q

is there a submucosa present in the gingiva

A

no

44
Q

where keratinized gingival tissue transitions to nonkeratinized alveolar mucosa

A

mucogingival junction

45
Q

is the dentogingival junction keratinized or nonkeratinized

A

nonkeratinized

46
Q

what is included within the dentogingival junction

A

junctional epithelium and sulcular epithelium

47
Q

if the dentogingival junction is healthy what is not present

A

rete ridges

48
Q

point of attachment of gingiva to the tooth surface

A

junctional epithelium

49
Q

where is the gingival col located

A

posterior dentition

50
Q

what forms gingival col

A

interdental gingiva

51
Q

is gingival col keratinized or nonkeratinized

A

nonkeratinized

52
Q

how many types of specialized mucosa are there are what are they

A

4: filiform, fungiform, circumvallate, and foliate

53
Q

is filiform papillae keratinized or nonkeratinized

A

keratinized

54
Q

where are filiform papillae located

A

dorsal surface of the tongue

55
Q

do filiform papillae have taste buds

A

no

56
Q

where are fungiform papillae located

A

dorsal surface of the tongue

57
Q

how do fungiform papillae look

A

red

58
Q

do fungiform papillae have taste buds

A

yes

59
Q

which papillae are the largest

A

circumvallate

60
Q

where are circumvallate papillae located

A

near the terminal sulcus

61
Q

do circumvallate papillae have taste buds

A

yes

62
Q

what is located in the submucosa of circumvallate papillae

A

serous salivary glands of von Ebner

63
Q

where are foliate papillae located

A

lateral surface of tongue

64
Q

do foliate papillae have taste buds

A

yes

65
Q

total loss of taste

A

ageusia

66
Q

partial loss of taste

A

hypogeusia

67
Q

unpleasant taste

A

parageusia

68
Q

inaccurate taste

A

dysgeusia

Semester 2 Biological Sciences 2 (16 decks)

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