Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Histology > GI Oral Cavity > Flashcards

GI Oral Cavity Flashcards

1
Q

alimentary canal

A

tube food passes through

mouth, eso, stomach, SI, LI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

mucosa fxn

A

barrier to separate lumen from rest of body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

mucosa components

A

epithelia
lamina propria
muscularis mucosae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

submucosa fxn

A

bind mucosa to muscularis externa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

submucosa tissue type

A

CT (usually dense irregular)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

muscularis externa fxn

A

propel the contents of the digestive tract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

adventitia

A

CT that is continuous w/ adjacent CT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

serosa

A

mesothelim supported by this CT to suspend tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

gingivitis Sx

A

gums may be soft, puffy, dark red, receding or bleed easily

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

gingivitis cause

A

plaque on teeth for 2 - 3 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

gingivitis Tx

A

removal of plaque/ tartar by scaling, good oral hygiene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

taste bud cell types

A

neuroepithelial cells
supporting cells
basal cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

neuroepithelial cells

A

elongated cells w/ microvilli

connected by tight jxns

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

neuroepithelial location

A

facial, glossopharyngeal, vagus nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

supporting cells (taste buds)

A

do not synapse w/ nerve cells

elongate w/ microvilli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

basal cells (taste buds)

A

stem cells for neuroepithelial and supporting cells

usually located at basal lamina of taste bud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

taste bud locations

A

tongue
glossopalatine arch
soft palate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

bitter taste path

A
  1. bind to receptors
  2. activate G-protein
  3. secondary messenger - up Ca2+
  4. Ca causes NT release
  5. impulse sent along post-synaptic nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

sweet taste path

A
  1. bind to receptors
  2. activate G-protein
  3. secondary messenger - up Ca2+
  4. Ca causes NT release
  5. impulse sent along post-synaptic nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

umami taste path

A
  1. bind to receptors
  2. activate G-protein
  3. secondary messenger - up Ca
  4. Ca causes NT release
  5. impulse sent along post-synaptic nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

sour taste path

A
  1. H+ protons act directly on ion channels
  2. activates and increases Ca
  3. generates AP
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

salty taste path

A
  1. Na acts directly on ion channels
  2. activates and increases Ca
  3. generates AP
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

enamel structure

A

96 - 98 Ca hydroxyapatite

crystals are arranged as rods

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

enamel and fluoride

A

fluoride makes enamel more resistant to acid demineralization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
making enamel
ameloblasts secrete enamel
26
making dentin
odontoblasts secrete predentin which becomes mature mineralized dentin
27
stages of tooth development
1. bud stage 2. cap stage 3. bell stage 4. . appositional dentin + enamel stage 5. tooth eruption stage 6. functional tooth stage
28
cementum
bone-like material covers root of tooth sharpey's fibers bind cementum to bony matrix of socket attaches tooth to maxilla or mandible
29
peridontal ligament
attach roots of teeth to bone | collagen fibers and some elastic fibers
30
making cementum
cementocytes
31
major glands (list)
parotid submandibular sublingual
32
minor glands
lingual labial buccal molar
33
minor gland location
submucosa
34
major gland structure
paired long ducts dense CT capsule
35
compound acinar gland - interlobar duct epi
stratified
36
compound acinar gland - striated duct epi
simple cuboidal or columnar
37
compound acinar gland - intercalated duct epi
simple cuboidal
38
serous gland acini
pyramidal shaped cell | contains lots of rER, golgi, secretory vesicles + zymogen granules
39
serous acini secrete
protein
40
mucous acini secrete
mucin
41
mucous acini
tubular cells synth + release mucuous may seem empty @ apical, flattened nuc at bottom (basal)
42
gland secretion types
parotid: mucous subman: mostly serous subling: mostly mucous
43
myoepithelial cell fxn
get secretory products to the excretory duct
44
myoepithelial cells
located btwn basal plasma membrane of epi cells and basal lamina of epi of underlying proximal portion of duct system
45
protid gland structure
striated ducts, adipose tissue CT divides into lobules lumen not clearly visible looks like pancreas but no centroacinar cells + more ducts
46
sublingual gland structure
mostly mucous lumen can be IDed serous demilunes
47
submandibular gland structure
mostly serous acini extensive ducts w/ pale cytoplasm large lumen CT subdivide lobe into lobules
48
salivary duct types
intercalated striated excretory
49
intercalated salivary ducts
lined by cuboidal cells | lead away from acinus
50
striated salivary ducts
lined by both simple cuboidal cells and columnar cells infoldings of basal plasma membrane (look like striations) lots of mitochondria
51
excretory salivary ducts
connect to oral cavity | cuboidal and stratified columnar cells
52
main excretory duct
stensen's duct | wharton's duct
53
salivary gland tumor malignancies
75% parotid are benign 50% subman malignant 80% minor are malignant
54
salivary gland tumor Sx
benign present w/ painless swelling of gland, numbness
55
salivary gland Dx
``` PE x-ray CT MRI biopsy ```
56
salivary gland Tx
surgical removal | if malignant + radiation or chemo
57
lip epi
stratifified keratinized outside | strat squamous nonker (vestibule)
58
lip mucosa/submucosa
vermillion zone dermal papillae minor mixed salivary glands hair follicles (outside)
59
oral cavity epi
strat squamous nonkeratinized
60
gums epi
strat squamous partially-keratinized | hemidesmosomes in junctional epi next to teeth
61
filiform structure
strat squamous - ker/para | NO taste buds
62
fungiform structure
strat squamous epi taste buds @ top mushroom shaped
63
circumvallate structure
strat squamous epi taste bud on dome side in grooves serous glands dome shaped w/ grooves
64
foliate structure
strat squamous epi tastebuds on sides Von Ebner's glands parallel low ridges (longitudinal furrows)
65
place in mouth w/o MM
tongue

Histology (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions