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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
Q

roof of mouth, immobile

A

hard palate

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26
Q

in hard palate there is no what in the midline area

A

submucosa

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27
Q

in hard palate, because submucosa is not present in midline area, the lamina propria binds directly to

A

bone(median raphae)

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28
Q

lamina propria in hard palate serves as a

A

mucoperiosteum

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29
Q

posterior hard palate has

A

mucous glands

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30
Q

anterior lateral hard palate has

A

adipose tissue

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31
Q

ridges with a dense lamina propria

A

rugae

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32
Q

the top surface of tongue has both ___ and ___ type of mucosa present

A

masticatory and specialized

33
Q

generally orthokeratinized, stratified squamous epithelium and covers the surface of the muscle tissue associated with the tongue

A

masticatory mucosa

34
Q

the specialized type of oral mucosa found on the dorsal tongue surface are the

A

lingual papilla(ortho and parakeratinized)

35
Q

the four types of lingual papilla

A

filiform fungiform foliate circumvallate

36
Q

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

A

filiform

37
Q

numerous on tip of tongue; mushroom shaped; taste buds are on the superior surface

A

fungiform

38
Q

leaf shaped; located on lateral and posterior sides of the tongue; contains taste buds and serous glands

A

foliate

39
Q

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

A

circumvallate

40
Q

only papilla with their own salivary gland and duct; skeletal muscle underneath

A

circumvallate

41
Q

derived from epithelium and contains the chemical sense of taste

A

taste buds

42
Q

only sit in epithelium not in ct

A

taste buds

43
Q

extend from the bsement membrane to the epithelial surface of the lingual papilla and other locations in the oral cavity

A

taste buds

44
Q

10-14 in each taste bud, have superficial receptors

A

taste cells

45
Q

tip of tongue taste sensation

A

sweet and salty

46
Q

sides of tongue sensatoin

A

sour

47
Q

circumvallate papilla sensation

A

bitter

48
Q

nerves innervate what to get sensation to brain

A

taste budd

49
Q

nerves and vessels are located in the where

A

lamina propria and submucosa

50
Q

types of nerve endings

A

meissners, merkels, coiled, free pain receptors

51
Q

red then paler pink patches on the body of tongue that correspond to filiform undergoing changes from parakeratinized(red) to orthokeratinized(whiter)

A

geographic tongue

52
Q

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

A

black hairy tongue

53
Q

what branchial arches form tongue

A

1,2,3,4

54
Q

with are the cn associated with these brachial arches

A

5, 7, 9, 10 —– 12 also innervates it

55
Q

ree fuses with oral epithelium as tooth errupts and eventually becomes part what

A

junctional epithelium

56
Q

encircles the tooth and defines the gingival sulcus; free gingival crest

A

free gingiva or marginal gingiva

57
Q

stiffled; adheres o bone or roots of teeth

A

attached gingiva

58
Q

separates attached and free gingiva

A

free gingival groove

59
Q

attaches attached gingiva to neck of tooth

A

junct epithelium

60
Q

separates attached gingiva and alveolar mucosa; is scalloped

A

mucogingival junction

61
Q

gingiva between adjacent teeth; fills in the area between the teeth up to contact area to prevent food impaction; anterior-conically; post=blunted

A

interdental gingiva or interdental papilla

62
Q

nonvisible area located between papilla; varies in depth and width depending on contact areas; can be accentuated by inflammation

A

col

63
Q

the junction between the tooth surface and the gingival tissues

A

dentogingival tissues

64
Q

together the sulcular epithelium and the junction epithelium form

A

the dentogingival junction tissue

65
Q

crevicular epithelium

A

sulcular epithelium

66
Q

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

A

sulcular epithelium

67
Q

deeper extension of the sulcular epithelium; attaches the attached gingiva and the neck of the tooth

A

junctional epithelium

68
Q

forms the floor of the gingival sulcus; cells have a high turnover rate and many organelles; attachment to tooth surface by hemidesmosomes

A

junctional epithelium

69
Q

disturbances in the attachment of the junctional epithelium can cause

A

deeping of gingival sulcus

70
Q

does JE(oral mucosa)have a faster turnover time(healing time) than skin?

A

yes

71
Q

what can cause the intercellular spaces of the junctional epithelium to increase

A

food plaque and calculus

72
Q

increased intercellular spaces of the junctional epithelium allow more

A

plaque and toxins to enter tissue

73
Q

initial sign of periodontal disease

A

gingivitis

74
Q

inflammation and ulceration of junctional ep– results in a deeper pocket and advances the disease

A

gingivitis

75
Q

a calibrated periodontal probe measures the depth of the

A

gingival sulcus; it stops at the epitheliual attachment

76
Q

_____ upon probing is oen of the first signs of active periodontal disease

A

bleeding

77
Q

a gingival sulcus deeper than ____ is considered a periodontal pocket

A

3mm

78
Q

recession can be from

A

perio, tooth brushing, sometimes bc tooth position

79
Q

______ can be lost and periodontal ligaments become increasingly disorganized with progression of periodontal disease

A

alveolar bone

oral embryology (10 decks)

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