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oral embryology > quiz on oral mucosa > Flashcards

quiz on oral mucosa Flashcards

1
Q

does oral mucosa line the oral cavity?

A

yes almost continuously

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2
Q

oral cavity composed of

A

stratified squamous separated from ct by basement membrane

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3
Q

three main types of mucosa found in oral cavity

A

lining, masticatory, and specialized mucosa

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4
Q

oral epithelium is

A

nonkeratinized, parakerantinized or orthokeratinized

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5
Q

many lining tissues, is the most common

A

nonkeratinized

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6
Q

nonkeratinized consists of

A

stratum basal or basal layer
s intermedium or intermediate layer
s superficiale or superficial layer

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7
Q

hard palate and attached gingiva, some papilla

A

orthokeratinized

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8
Q

orthokeratinized layers

A

basal layer
prickle layer or s spinosa
granular layer
keratin layer or s corneum- no nuclei

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9
Q

attached gingiva, papilla, and dorsum of tongue

A

parakeratinized

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10
Q

layers of parakeratinized

A

basal layer
prickle layer
granular layer
keratin layer or s corneum- cells contain nuclei

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11
Q

top layer closest to epithelium- lamina lucida and lamina densa

A

basal lamina

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12
Q

bottom layer closest to ct

A

reticular lamina

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13
Q

under the specific epithelial layer lies the

A

basement membrane

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14
Q

loose ct under the lamina propria and contains many glands

A

submucosa

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15
Q

in oral mucosa, epithelial cells attach by

A

macula adherens (desmosomes)

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16
Q

temporary adhesions so cells can cont to migrate superficially

A

macula adherens

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17
Q

all lining tissues have nonkeratinized epithelium, lamina propria, and a submucosa; soft and pliable

A

lining mucosa

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18
Q

inner lips

A

vermilion border

fordyce spots on buccal mucosa, sebaceous glands

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19
Q

submucosa of floor of mouth is loosely attached to the what (lining )

A

underlying bone

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20
Q

major salivary gland in floor of mouth for lining

A

sublingual gland

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21
Q

areas that consist of lining mucosa

A 
inner lips
soft palate
cheeks
ventral surface of tongue
floor of mouth
alveolar mucosa
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22
Q

areas that consist of masticatory mucosa

A

attached gingiva

hard palate

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23
Q

attached gingiva is mostly

A

parakeratinized

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24
Q

attached to the neck of tooth by junctional epithelium; strippled tissue; free gingival groove separates attached and free gingiva

A

attached gingiva

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25
roof of mouth, immobile
hard palate
26
in hard palate there is no what in the midline area
submucosa
27
in hard palate, because submucosa is not present in midline area, the lamina propria binds directly to
bone(median raphae)
28
lamina propria in hard palate serves as a
mucoperiosteum
29
posterior hard palate has
mucous glands
30
anterior lateral hard palate has
adipose tissue
31
ridges with a dense lamina propria
rugae
32
the top surface of tongue has both ___ and ___ type of mucosa present
masticatory and specialized
33
generally orthokeratinized, stratified squamous epithelium and covers the surface of the muscle tissue associated with the tongue
masticatory mucosa
34
the specialized type of oral mucosa found on the dorsal tongue surface are the
lingual papilla(ortho and parakeratinized)
35
the four types of lingual papilla
filiform fungiform foliate circumvallate
36
most common and scattered over the surface of the body of the tongue; no taste buds, function if mechanical; facilitate food movement; slender threadlike keratinized extensions
filiform
37
numerous on tip of tongue; mushroom shaped; taste buds are on the superior surface
fungiform
38
leaf shaped; located on lateral and posterior sides of the tongue; contains taste buds and serous glands
foliate
39
anterior to sulcus terminalis; located at the junction of the body and base of the tongue; taste buds are in the base of papilla; surrounded by a trough, with von ebners minor serous glands around the trough
circumvallate
40
only papilla with their own salivary gland and duct; skeletal muscle underneath
circumvallate
41
derived from epithelium and contains the chemical sense of taste
taste buds
42
only sit in epithelium not in ct
taste buds
43
extend from the bsement membrane to the epithelial surface of the lingual papilla and other locations in the oral cavity
taste buds
44
10-14 in each taste bud, have superficial receptors
taste cells
45
tip of tongue taste sensation
sweet and salty
46
sides of tongue sensatoin
sour
47
circumvallate papilla sensation
bitter
48
nerves innervate what to get sensation to brain
taste budd
49
nerves and vessels are located in the where
lamina propria and submucosa
50
types of nerve endings
meissners, merkels, coiled, free pain receptors
51
red then paler pink patches on the body of tongue that correspond to filiform undergoing changes from parakeratinized(red) to orthokeratinized(whiter)
geographic tongue
52
normal shedding of epithelium of filiform lingual papilla doesnt occur resulting in a thick layer of dead cells and keratin which becomes stained by tobacco, medications, or chromogenic oral bacteria
black hairy tongue
53
what branchial arches form tongue
1,2,3,4
54
with are the cn associated with these brachial arches
5, 7, 9, 10 ----- 12 also innervates it
55
ree fuses with oral epithelium as tooth errupts and eventually becomes part what
junctional epithelium
56
encircles the tooth and defines the gingival sulcus; free gingival crest
free gingiva or marginal gingiva
57
stiffled; adheres o bone or roots of teeth
attached gingiva
58
separates attached and free gingiva
free gingival groove
59
attaches attached gingiva to neck of tooth
junct epithelium
60
separates attached gingiva and alveolar mucosa; is scalloped
mucogingival junction
61
gingiva between adjacent teeth; fills in the area between the teeth up to contact area to prevent food impaction; anterior-conically; post=blunted
interdental gingiva or interdental papilla
62
nonvisible area located between papilla; varies in depth and width depending on contact areas; can be accentuated by inflammation
col
63
the junction between the tooth surface and the gingival tissues
dentogingival tissues
64
together the sulcular epithelium and the junction epithelium form
the dentogingival junction tissue
65
crevicular epithelium
sulcular epithelium
66
stands away from the tooth creating a gingival sulcus; creates a gingival sulcus which can very in depth due to health of tiss.; gingival or crevicular fluid fills space with immune cells
sulcular epithelium
67
deeper extension of the sulcular epithelium; attaches the attached gingiva and the neck of the tooth
junctional epithelium
68
forms the floor of the gingival sulcus; cells have a high turnover rate and many organelles; attachment to tooth surface by hemidesmosomes
junctional epithelium
69
disturbances in the attachment of the junctional epithelium can cause
deeping of gingival sulcus
70
does JE(oral mucosa)have a faster turnover time(healing time) than skin?
yes
71
what can cause the intercellular spaces of the junctional epithelium to increase
food plaque and calculus
72
increased intercellular spaces of the junctional epithelium allow more
plaque and toxins to enter tissue
73
initial sign of periodontal disease
gingivitis
74
inflammation and ulceration of junctional ep-- results in a deeper pocket and advances the disease
gingivitis
75
a calibrated periodontal probe measures the depth of the
gingival sulcus; it stops at the epitheliual attachment
76
_____ upon probing is oen of the first signs of active periodontal disease
bleeding
77
a gingival sulcus deeper than ____ is considered a periodontal pocket
3mm
78
recession can be from
perio, tooth brushing, sometimes bc tooth position
79
______ can be lost and periodontal ligaments become increasingly disorganized with progression of periodontal disease
alveolar bone

oral embryology (10 decks)

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