CFB EXam 2

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1

Merocrine

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2

modes of exocrine secretion

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3

Apocrine secretion

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product + apical part of membrane

4

holocrine secretion

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entire cell and its contents are the product

5

modes of secretion

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6

serous vs mucous gland

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7

myoepithelial cells

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contractile and force product out

m on the side are myoepithelial and will contract the sweat cells (sympathetic)

8
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myoepithelial cells

9

waldeyers ring

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?parts of oral cavity tissues???????

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layers of mucosa

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mucosa 3 parts, submucosa

12

how does epithelium get nutrients

epithelium is never vascular, so it receives nutrients from connective tissue (lamina propria, generally loose connective)

13

SSPKE?

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SSNKE - keep moist

SSPKE - specialized junction in oral cavity , junction between ssnke and sspke, keratinized but has cells with nuclei

so if keratinized but has nuclei - sspke not sske

14

Oral mucosa subdivisions

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"key point for exam is know that mucosa different function, we have different epithelia cover it

masticatory tough (SSKE / SSPKE), lining mucosa keeps moist (ssnke)

15

location names of mucosa

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16

what is vermillion part of labial mucosa

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connective tissue innervated by blood supply makes it red, where we put lipstick

vermillion means red

keratnized/dry no glands

17

cheilitis

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inflammation typically at vermillion part

18

inflammation of oral mucosa?

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herpes typically on vermillion part

thrush fungus on tongue typically

19

most common ulcer in the oral cavity

canker sore

20

inflammation of tongue?

glotitis?

21

fordyce spots

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no hair but have sebacious glands - just a remanant but leaves white spots, harmless

22

alvaeolar mucosa

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23

cell types of masticatory mucosa epithelium

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24

mucoperiosteum

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mucosa connecting directly to bone, can be very painful (hard palate?)

25

connective tissue papilla

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resists friction of food

stippling of gingiva - protrusions on gingiva in healthy / young person

26

mastacory mucosa covers

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gingiva and hard palate

27
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...

28
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...

29
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most likely to exhibit SSKE

hard palate - masticatory mucosa

strata granulosam - lot of granules in layer just under SSKE's top (keratinized layer)

30

inferior/ventral surface of the tongue is __________ (texture) and contains what kind of mucosa?

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lining mucosa, smooth

31

filiform papillae

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hooks point posteriorially - move food, no taste bud

32

fungiform papillae

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look like mushroom

Con tissue papilla push into epithelium, can see red bumps

1-3 taste buds

33

vallate papillae

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just anterior to sulcus of tongue, looks like moat on microscope

tastebuds on lateral wall and other thing

abners glands - pure serous glands - water flow onto surface

if we have new food brain flushes old food out so we can taste new food

34

foliate papillae

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look like leaves on lateral surface of tongue

35

taste bud anatomy

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36

intrinsic muscle of tongue

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very unique looking, skeletal muscle

horizontal and vertical bundles

longitudanal bundles look funky

37

intrinsic muscle of tongue 2

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mesoderm differinteates into

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cartilage differentiates from

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40

which 2 layers interact to form a tooth?

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41

stages of tooth development

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42

toti vs pleuri

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dental pulp stem cell summary

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importance of tooth angulation/inclination

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45

arch length vs width

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46

neutral zone/position

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47

curve of wilson

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48

different curves intra arch positions

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49

what is plane of occlusion

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imagine it like a bowl

50

salivary exam questions

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51

major vs minor salivary glands

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minor secrets continulously - keep mouth moist

major uses duct and triggers via smell for example

52

major is mainly --- secretion minor is mainly...

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minor mucous

major part - serous - mainly water (90% of overall secretion comes from major)

53

parenchyma, stroma, acinus

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54

major functional unit of salivary gland

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acini

55

how to identify mucous vs serous units/cells

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mucous is light staning and nuclei is flat

serous darker - watery - full of protein / rough er, round nuclei

serous also darker (black) in HME? electron black/white microscope

56

how to distinguish parotid submand and sublingual

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serous units decrease in that order

(sublingual mostly mucous, parotid mostly serous)

parotid considered serous only, other two considered mixed

57
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parotid, the white portions are adipose cells (not part of an acinus)

58
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submandibular

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sublingual, more mucous than serous

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histatin?

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histanin secreted by serous (serous secrete protein)

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histology characteristics of secretory ducts

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parts of salivary duct

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excretory duct tissue type

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stratified? / pseudo strat

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basket cells

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squeeze secretion

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myoepithelial cells are attached to

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basement membrane, so are secretory cells might not be ovious

66

gingiva is masticatory or alveolar

masticatory

67

mucin is a protein or glycoprotein

glycoprotein, secreted by mucous units

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intercalated duct vs striated ducts

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intercalated ducts

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striated ducts

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excretory duct

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C - serious only so no serous demiwhatever

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only exception is ebner - serous ONLY, otherwise mucous or mixed

ebner near villate and foliate papillae

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...

75
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decreased secretion, autoimmune

76
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ebner is serous only, minor are mixed?

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...

78

sialolithiasis

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79

xerostomia

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80

mumps

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mumps can move to testicle/ovary and cause damage

81

pneumoparotid

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air in parotid from parotid duct into parotid gland

82

parts of tooth bud

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83

enamel organ

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named based on shape

bell stage still no inorganic

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...

85

bell stage

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successional lamina ALWAY S on lingual size

86

appositional stage

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after bell stage

87

root growth begins...

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only after crown is completed