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Oral Histology > Oral Mucosa > Flashcards

Oral Mucosa Flashcards

1
Q

Basal layer of keratinized mucosa ( number - shape of cells ,content)

A

Single
Cuboidal
Protein synthetic granules,tonofilament

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2
Q

Least differentiated cells in keratinized mucosa

A

Statum basalis

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3
Q

Other name for sratum spinosum

A

Prickle cell layer

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4
Q

Prickle cell layer ( number - shape cont

A

Several layers - polyhedral
Active protein synthetics c cells

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5
Q

Odland body site

A

Superficial layers of spinous
Lower layers granular

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6
Q

Odland body (other names)

A

Keratinosomes
Membrane coated granules
internal lamellated structure

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7
Q

Function of odland body

A

Thickening of cell membrane
Inter cellular agglutinating material

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8
Q

Granular cell layer number shape ,size

A

Several ,
Flat
Larger than superficial

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9
Q

T,F
Stratum granulism least active in protein synthesis

A

T

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10
Q

Keratynohyaline granules site ,appear

A

Basophillic
Stratum granulism

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11
Q

Keratohyaline granules formed by ….

.

A

Ribosomes

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12
Q

What is the function of keratohyaline granules

A

Secrete matrix in which filament of keratin are embedded

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13
Q

Number of layers of stratum corneum

A

20

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14
Q

Orthokeratinized (ratio ,nucleus

A

15%
No nucleus

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15
Q

Parakeratinized

A

75 nucleus

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16
Q

Number of attachment plaque in ….. desmosomes is …..but in hemi desmosomes is …

A

2 ,1

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17
Q

Non keratinized epithelium (cornified layer -

A

Doesn’t produce

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18
Q

Non keratinized epithelium rete pig

A

Short ,blunt

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19
Q

Non keratinized epithelium ( thickness of layer

A

Thicker

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20
Q

Non keratinized ( size of cells - intercellular substance) apperanerance

A

Large
Small
No prickle appearance

21
Q

Content of intermediate layer of non keratinized

A

No granular layer
Increase in size
Glycogen granules ,in complete keratohyaline granules

22
Q

Keratynohyaline granules of non keratinized

A

More regular ,spherical ,not associated with tonofilament

23
Q

The white line in oral mucosa in the meeting of occlusal surface

A

Linea alba

24
Q

All non keratinocyte cells lack desmosomes except …..

A

Mercl cell

25
Q

The first three cell melanocyte ,langerhans ,mercle cells derived from …..

A

Neural crest cell

26
Q

Site of non keratinocyte….

A

Keratinized ,non keratinized

27
Q

Ratio of non keratinocyte

A

10 % of total epi cells

28
Q

Melanocyte (site ,stain (

A

Basal ,dopa reaction

29
Q

Langerhans cells site

A

Upper layers

30
Q

Cell is responsible for controlling epithelial division ,differentiation

A

Langerhans cells

31
Q

Site of merkle cell

A

Basal

32
Q

Cell have synapse like junction between nerve

A

Mercle

33
Q

Cell is responsible for touch ، pressure stimuli

A

Merkle

34
Q

All non keratinocyte are dentritic except ……

A

Mercle

35
Q

Lamina propria consist from …..,….

A

Papillary layer , Reticular layer

36
Q

Source of oral mucosa blood supply

A

External carotid artery

37
Q

Blood supply of mucosa of mouth floor

A

Sublingual

38
Q

Veins of palate mucosa drain into …..

A

Pterygoid venous plexus

39
Q

Lingual veins of tongue drain into …..

A

Internal jugular vein

40
Q

Lymph from upper lib ,teeth ,gingiva ,drain into …..

A

Sub mandibular lymph nodes

41
Q

Lateral parts of the tongue drain into ….

A

Sub mandibular

42
Q

Lymph from lower lip ,apex of tongue drain into ….

A

Submental

43
Q

Posteroir portion of tongue drain into ….

A

Superoir deep cervical lymph nodes

44
Q

Medial anteroir potion of tongue drain into ….

A

Inferoir deep cervical lymphnodes

45
Q

Sensory innervation of skin and check mucosa

A

Buccal nerve

46
Q

Nerve sensation to mouth floor

A

Lingual nerve

47
Q

Nerve sensation to roof,palate

A

Greater ,leeser palatine

48
Q

Nerve supply to gingiva

A

Lingual , palatine, nasopalatine,superoir alveolar

Oral Histology (16 decks)

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