Digestive System- Taylor Flashcards

0
Q

What is the transition between hairy skin and mucous membrane of internal mouth?

A

Vermilion border skin

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1
Q

What is the striated muscle of the lips called?

A

Orbicularis oris

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2
Q

What makes the vermilion skin a high sensory area?

A

Meissner’s corpuscle

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3
Q

What type of epi is the wet membrane?

A

Unkeratinized stratified squamous epi

Dermis becomes lamina propria

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4
Q

What type of epi is the lining of the cheeks?

A

Stratified nonkeratinized epi

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5
Q

Hard palate

A

Stratified squamous epi

Keratinized

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6
Q

Soft palate

A

Stratified squamous epi
Nonkeratinized at oral cavity
Pseudostratified ciliated columnar at nasopharnyx

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7
Q

What type of epithelium is the lining of the oropharynx?

A

Stratified squamous epithelium

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8
Q

What makes up the specialized mucosa of the dorsum?

A

Epithelial projections called lingual papillae

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9
Q

Which lingual papillae is most numerous?

A

Filiform papillae

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10
Q

What type of epi lines filigree papillae?

A

Keritinzed epi

No taste buds

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11
Q

Where are fungiform taste buds located?

A

On dorsal surface of fungiform papillae

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12
Q

Which lingual papillae are largest and least numerous?

A

Circumvallate papillae

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13
Q

Where are the circumvallate papillae located?

A

Anterior to sulcus terminals

Most posterior part of anterior 2/3 of tongue

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14
Q

What flushes the moats of the circumvallate papillae?

A

von Ebner’s glands

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15
Q

Which lingual papillae disappear with age?

A

Foliate papillae

16
Q

Which lingual papillae are rudimentary vertical ridges at the posterior sides of the tongue?

A

Foliate papillae

17
Q

Anterior 2/3 innervation

A

Sensory supply: CN5

Taste: CN7

18
Q

Posterior 1/3 innervation

A

Sensory and taste: CN9

19
Q

One side of one of the jaws contains:

A

2 incisors
1 canine
2 premolars
3 molars

32 permanent teeth

20
Q

Part of the tooth visible and capped with enamel

21
Q

Where the crown meets the root

A

Cervix or neck

22
Q

Boney socket for the tooth

23
Q

Part of the tooth located in alveolus

24
Surrounds denting and cnx tooth to boney socket
Cementum
25
What surrounds the pulp?
Dentine
26
Where BVs enter and exit pulp
Apical foramen of root canal end
27
What makes dentine?
Odontoblasts
28
Make dentine very sensitive and serves as protecti mechanism
Dentinal tubules
29
Keratinized epi with a basal lamina-like material that attaches to tooth
Gingival epi
30
Root of tooth connects to alveolar bone via...
... The periodontal ligament
31
What makes up the periodontal ligament?
Collagen (Sharpey's) fibers
32
From what does the enamel develop?
Mouth epi
33
What cells secrete enamel?
Ameloblasts
34
From where are dentine and the rest of the tooth derived?
CT
35
What is the unmineralized material secreted by odontoblasts?
Predentin
36
Where are the odontoblast cell bodies located?
At the edge of the pulp