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HS Exam 3 > Oral Cavity- Histo > Flashcards

Oral Cavity- Histo Flashcards

1
Q

lining mucosa

A

non keratinized, loosely bound stratified squamous epithelia

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2
Q

what is lined with lining mucosa

A

inner lip
soft palate
ventral tongue
alveolar mucosa

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3
Q

masticatory mucosa

A

keratinized/parakeratinized, tightly bound stratified squamous epithelia

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4
Q

what is lined with masticatory mucosa

A

gingiva

hard palate

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5
Q

3 surfaces of lip

A

skin
vermillion boarder
lining mucosa

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6
Q

layers of the cheek

A

skin
fat pad
muscle
lining mucosa

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7
Q

palatine tonsil

A

collection of lymphoid tissue in the oral pharynx

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8
Q

types of lingual papillae

A

filiform
fungiform
circumvalate
folliate

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9
Q

filiform papillae description

A

most numerous
have karatin
rough looking
no taste buds

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10
Q

filiform papillae location

A

anteiror 2/3 of tongue

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11
Q

fungiform papillae

A

between filiform papillae
rounded
non keratinized
tastebuds

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12
Q

fungiform pepillae location

A

anterior 2/3 of tongue

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13
Q

circumvalate papillae description

A 
very large
mushroom shaped
have a moat that collects saliva
tastebuds on lateral moat surface
serous glands of von ebner
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14
Q

circumvalate papillae location

A

V region of tongue, separates anterior 2/3 from posterior 1/3

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15
Q

folliate papillae

A

only in infants

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16
Q

cell types in taste buds

A

basal stem cells
sustenacular cells
neuroepithelial cells

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17
Q

surfaces of neuroepithelial cells

A

apical- receptors on microvili

basal- synapse with afferent endings of VII, IX, X

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18
Q

tongue section differences

A

anterior 2/3- lingual papillae

posteiror 1/3- lingual tonsils and glands

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19
Q

black hairy tongue

A

bacteria overgrowth

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20
Q

white coated tongue

A

various causes
can be precancerous
possible yeast infection (thrush)

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21
Q

difference between alveolar bone and gingiva

A

alveolar bone is where the tooth sockets are

gingiva is the connective tissue above the alveolar bone that the tooth sites in

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22
Q

alveolar bone lining

A

lining mucosa

23
Q

gingiva lining

A

masticatory mucosa

24
Q

what makes enamal

A

ameloblasts

25
Q

what makes dentin

A

odontoblasts

26
Q

cause of tooth sensitivity

A

odontoblast processes extended into dentin

27
Q

what makes cementum

A

cementoblasts

28
Q

what layers of teeth are regeneratable

A

cementum
dentin
enamal is NOT

29
Q

what is the pulp

A

inside of tooth where nerve endings and blood vessels go out from

30
Q

where is the PDL

A

between the cementum and alveolar bone

31
Q

where is the cementum

A

only in the root- lining between bone and dentin

32
Q

where is the enamal

A

only in the crown

33
Q

where is the dentin

A

majority of tooth inside

34
Q

peiodontal disease

A

destruction of PDL

35
Q

what causes tooth discolaration

A

coffee/tea

tetracycline- permanent

36
Q

minor salivar glands are

A

in the oral cavity- soft palate and tongue

37
Q

major salivary glands are

A

outside the oral cavity

38
Q

serous glands secrete

A

proteins
digestive and bactericidal enzymes
take up IgA and coat it and release it in saliva

39
Q

serous demilunes

A

surround mucous cells

40
Q

intercalated ducts

A

squamous or low cuboidal epithelium
secrete bicarb
absorb chloride

41
Q

intralobar ducts

A

simple columnar
basal striations
absorb Na
secrete K and bicarb

42
Q

interlobular ducts

A

stratified columnar

43
Q

3 sets of salivary glands

A

parotid
submandibular
submental

44
Q

parotid gland appearance

A

serous only with adipose

45
Q

primary target for mumps and rabies

A

parotid gland

46
Q

sublingual gland appearance

A

mostly mucous, some serous

47
Q

submandibular gland appearance

A

mostly serous, some mucous

48
Q

things that cause dry mouth

A 
antihistamines
tricylic
antidepressents
beta blockers
atropinics
anything that affects saliva production or the ANS
49
Q

salivary calculi

A

organic component on tongue and then inorganic salts adhere to it

50
Q

sialidentis

A

inflammation of salivary gland due to retrograde flux of bacteria

51
Q

pleomorphic adenomas

A

tumors in parotid, usually benign

52
Q

mucoceles

A

dilation with mucous on lip

53
Q

fibromas

A

benign tumors of connective tissue

HS Exam 3 (20 decks)

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