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Semester 2 Biological Sciences 2 > Oral Histology > Flashcards

Oral Histology Flashcards

(68 cards)

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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
what are types of lining mucosa
buccal mucosa, labial mucosa, ventral surface of the tongue, floor of the mouth, alveolar mucosa and soft palate
26
is the epithelium of buccal mucosa thick or thin
thick
27
what does the submucosa in the buccal mucosa contain
adipose tissue
28
is the epithelium in the floor of the mouth and ventral surface of the tongue thick or thin
thin
29
what does the submucosa in the floor of the mouth and ventral surface of the tongue contain
loose connective tissue and adipose tissue
30
what does the submucosa within the soft palate contain
adipose tissue
31
why is the soft palate sometimes yellow
adipose tissue
32
is masticatory mucosa keratinized or nonkeratinized
keratinized
33
how many layers are there to the masticatory mucosa and what are they
4: basal, prickle, granular, and keratin
34
what does the interface look like in the masticatory mucosa
highly interdigitated
35
what is the lamina propria like in masticatory mucosa
fibrous
36
is there a submucosa present is masticatory mucosa
thin or absent
37
what are types of masticatory mucosa
hard palate and gingiva
38
what type of epithelium does the hard palate have
thick orthokeratinized
39
why is the hard palate firm
due to attachment of lamina propria to bone
40
where is the submucosa at on the hard palate
lateral portions of the hard palate
41
what type of epithelium does gingiva have
parakeratinized
42
where does the gingiva extend to
mucogingival junction
43
is there a submucosa present in the gingiva
no
44
where keratinized gingival tissue transitions to nonkeratinized alveolar mucosa
mucogingival junction
45
is the dentogingival junction keratinized or nonkeratinized
nonkeratinized
46
what is included within the dentogingival junction
junctional epithelium and sulcular epithelium
47
if the dentogingival junction is healthy what is not present
rete ridges
48
point of attachment of gingiva to the tooth surface
junctional epithelium
49
where is the gingival col located
posterior dentition
50
what forms gingival col
interdental gingiva
51
is gingival col keratinized or nonkeratinized
nonkeratinized
52
how many types of specialized mucosa are there are what are they
4: filiform, fungiform, circumvallate, and foliate
53
is filiform papillae keratinized or nonkeratinized
keratinized
54
where are filiform papillae located
dorsal surface of the tongue
55
do filiform papillae have taste buds
no
56
where are fungiform papillae located
dorsal surface of the tongue
57
how do fungiform papillae look
red
58
do fungiform papillae have taste buds
yes
59
which papillae are the largest
circumvallate
60
where are circumvallate papillae located
near the terminal sulcus
61
do circumvallate papillae have taste buds
yes
62
what is located in the submucosa of circumvallate papillae
serous salivary glands of von Ebner
63
where are foliate papillae located
lateral surface of tongue
64
do foliate papillae have taste buds
yes
65
total loss of taste
ageusia
66
partial loss of taste
hypogeusia
67
unpleasant taste
parageusia
68
inaccurate taste
dysgeusia

Semester 2 Biological Sciences 2 (16 decks)

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