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Oral Biology > Oral Mucosa > Flashcards

Oral Mucosa Flashcards

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1
Q

What are the 4 functions of oral mucosa?

A
  • Protection
  • Secretion
  • Absorption
  • Sensation/taste
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2
Q

What are the 2 types of protection that oral mucosa provides?

A

Mechanical and immune

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3
Q

What are the 3 types of oral mucosa?

A
  1. Lining mucosa
  2. Masticatory mucosa
  3. Gustatory mucosa
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4
Q

What type of oral mucosa is non-keratinised?

A

Lining mucosa

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5
Q

What type of oral mucosa is para-keratinised?

A

Masticatory mucosa

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6
Q

What type of oral mucosa is keratinised?

A

Gustatory mucosa

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7
Q

Where is lining mucosa found?

A

Loose lamina propria, wide submucosa, and bottom of tongue

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8
Q

Where is masticatory mucosa found?

A

Whole of palate and alveolar bone surrounding the teeth

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9
Q

What does para-keratinised mean?

A

Keratinisation is so rapid that cells keep their nuclei

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10
Q

What mucosa is mobile?

A

Lining mucosa

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11
Q

What mucosa has no mobility, and is hard and tight?

A

Masticatory mucosa

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12
Q

What mucosa is subject to friction and pressure?

A

Masticatory mucosa

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13
Q

Where is a very thick lamina propria found and what does it do?

A

Masticatory mucosa

-Connects mucosa to bone

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14
Q

Where is gustatory mucosa found?

A

ONLY on the dorsum of tongue

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15
Q

Where are papillae found and what specific function can they have?

A

Gustatory mucosa.

Can have taste function.

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16
Q

What are the 4 layers of keratinised/parakeratinised oral mucosa?

A
  1. Keratinised layer
  2. Granular layer
  3. Prickle cell layer
  4. Basal layer
17
Q

What are the 4 layers of non-keratinised oral mucosa?

A
  1. Superficial layer
  2. Intermediate layer
  3. Prickle cell layer
  4. Basal layer
18
Q

What layer of oral mucosa produces keratin?

A

Granular layer

19
Q

What is the mucogingival junction?

A

The connection between the alveolar mucosa and the gingiva

20
Q

What are non-keratinocytes?

A

Cells that don’t contain keratin

21
Q

What are the 3 types of non keratinocytes?

A
  1. Melanocytes
  2. Merkel cells
  3. Langerhans cells
22
Q

What papillae contain taste buds?

A

Fungiform papillae

23
Q

Where are fungiform papillae most abundantly found?

A

At tip and sides of tongue

24
Q

What papillae cover the majority of the tongue?

A

Filiform papillae

25
Q

What papillae do not contain taste buds?

A

Filiform papillae

26
Q

Where are vallate papillae located?

A

At the back third of the tongue

27
Q

What is the function of the vallate papillae?

A

Subdivide the tongue into 2 anterior thirds and a posterior third

28
Q

What is the connection between the skin and the labial mucosa called?

A

The Vermillion border

29
Q

What is the vermillion border?

A

The connection between the skin and the labial mucosa

30
Q

What are the 3 names for the condition that changes the pattern of the tongue?

A
  • Geographical tongue
  • Benign migratory glossitis
  • Glossitis migrans

Oral Biology (9 decks)

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