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Flashcards in Oral Mucosa Deck (53)
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0

Embryonic origin of oral mucosa?

Ectoderm and endoderm

1

True or false. Oral mucosa has no sweat and sebaceous glands?

True

2

Type of oral mucosa characterized as pliable?

Lining mucosa

3

Senses perceived by the oral mucosa? (4)

  • Temperature
  • Touch
  • Pain
  • Taste

4

Has the thinnest epithelium?

Floor of the mouth

5

Embryonic origin of lamina propria of oral mucosa?

Mesoderm

6

Mucoperiosteum is found in what type of oral mucosa?

Masticatory mucosa

7

Another term for lamina propria?

Corium

8

Layers of the lamina propria? (2)

  • Papillary layer
  • Reticular layer

9

Layer containing keratohyaline granules?

Stratum granulosum

10

Layers containing tonofibrils? (2)

  • Granulosum
  • Spinosum

11

Layer with intercellular bridges?

Spinosum

12

Layer with shiny appearance?

Spinosum

13

Intercellular filaments inserting into the desmosomes?

Tonofilaments

14

Circular or oval areas of cell membrane adhering by attachment plaque?

Desmosomes

15

True or false. Lining mucosa is thicker than keratinized epithelium?

True

16

Layers of non keratinized epithelium? (3)

  1. Superficiale
  2. Intermedium
  3. Basale

17

Layer with slight increase in size and accumulation of glycogen in cells of the surface layers?

Intermedium

18

Cells having clear halo around the nucleus (clear cells)?

Nonkeratinocytes

19

What are the nonkeratinocytes? (4)

  • Melanocytes
  • Langerhan cells
  • Merkels cells
  • Inflammatory cells

20

What non keratinocytes have no desmosomal attachment?

Merkels cells

21

True or false. Melanocytes varies in number among individuals?

False. Same number

22

Color differences is caused by? (2)

  • Activity of melanocytes
  • Rate of melanin production

23

Pigmented lesions in the oral mucosa? (3)

  • Oral melanotic macule
  • Nevus/mole
  • Melanoma

24

Malignant proliferation of melanocytes?

Melanoma

25

Benign proliferation of melanocytes?

Nevus/mole

26

Cells with immune functions?

Langerhans cells

27

Cells with sensory function?

Merkel cells

28

Merkel cells are found in what layer?

Basal layer

29

Characterized with stipples/interdental folds?

Attached gingiva