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Histology > Final Review OH > Flashcards

Final Review OH Flashcards

1
Q

Interphase [mitosis]

A

(1) between division, “growth” or “living”

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2
Q

Prophase [mitosis]

A

(2) chromosomes condense, nucleus membrane disintegrates

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3
Q

Metaphase [mitosis]

A

(3) chromosomes line-up

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4
Q

Anaphase [mitosis]

A

(4) chromosomes split into chromotids

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5
Q

Telephase [mitosis]

A

(5) division into two daughter cell

Nucleus returns

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6
Q

Induction [Developmental Processes]

A

(1) cells establishing of pathways

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7
Q

Proliferation [DP]

A

(2) controlled growth + accumulation of byproducts

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8
Q

Differentiation [DP]

A

(3) change is cells to become distinct

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9
Q

Morphogenesis [DP]

A

(4) specific tissue structure/form develops

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10
Q

Maturation [DP]

A

(5) adult function/size attained

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11
Q

Histology

A

study of microscopic structure/function of tissue

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12
Q

Embryology

A

study of prenatal development

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13
Q

Oral Tissue Turnover Time (longest to shortest)

A

Hard Palate (24) - Floor of Mouth - Buccal/Labial Mucosa - Attached Gingiva - Taste Buds - Juntional Epithelium (5)

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14
Q

Periodontium

A

Cementum, Alveolar Bone, PDL

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15
Q

Odontogenesis

A

Tooth Development

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16
Q

Tooth Development, stages

A

Initiation, Bud, Cap, Bell, Apposition/Maturation

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17
Q

Initiation Stage [TD]

A

6-7 week (embryonic). Stomodium. Induction - # of teeth present - *anodontia, supernumerary

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18
Q

Bud Stage [TD]

A

8th week (embryonic). Proliferation -size - *micro/macrodontia

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19
Q

Cap Stage [TD]

A

9-10 week (fetal). Morphogenesis - tooth formation - *dens’n’dente, geminaton, fusion, tuberables

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20
Q

Bell Stage [TD]

A

11-12 week (fetal). Differentiation - dental papilla within enamel organ differentiates

21
Q

Apposition Stage [TD]

A

[secretory] enamel/dentin/cementum secreted in matrix layers

22
Q

OEE>Stellate Reticulum>Stratum intermedium>IEE

A

layers that support enamel production CAP STAGE

23
Q

Cervical Loop

A

most cervical part of Enamel Organ. Responsible for root development

24
Q

HERS

A

Hertwig’s Epithelial Root Sheeth - shapes the root

25
Q

Alveolodental Ligament Fiber Subgroups [PDL]

A

alveolar crest, horizontal, oblique, apical, interradicular

26
Q

PDL

A

connective tissue (mostly collagen) that attaches cementum of tooth to the alveolar bone

27
Q

Gingival Fiber Group [PDL]

A

circular, dentogingival, alveologingival, dentoperiosteal

28
Q

PDL Ligaments

A

Alveolodental, Interdental, Gingival Fiber Group

29
Q

Mucosa: types

A

lining, masticatory, specialized

30
Q

Lining Mucosa

A

nonkeratinized epithelium. buccal/labial mucosa, ventral tongue, floor of mouth, soft palate

31
Q

Masticatory Mucosa

A

keratinized epithelium. attached gingiva, hard palate, dorsal tongue

32
Q

Specialized Mucosa

A

doral/lateral tongue

33
Q

Orthokeratinized

A

stratified squamous epithelium found in masticatory mucosa. basal layer - prickle layer

34
Q

Parakeratinized

A

stratified squamous epithelim found in masticatory mucosa. contains nucleus

35
Q

Acellular Cementum

A

[primary] first, slower. Sharpey’s mineralized

36
Q

Cellular Cementumum

A

[secondary] later, faster. Sharpey’s partially mineralized

37
Q

Cementum Trauma, lines

A 
Arrest Lines ("tree")
Reversal Lines ("scalloped")
38
Q

Cementogenesis

A

cementum formation.

HERS disintegrates > undifferentiated cells > cementoblasts > «»

39
Q

Cleft Lip

A

[face and neck dev] failure of fusion btwn maxillary process + medial nasal process

40
Q

Hydrodynamic Theory

A

widely accepted theory on why dental tubules experience sensitivity

41
Q

Acinus

A

group of secretory cells (grapes) [glands]

42
Q

Lumen

A

acinus central opening where saliva is deposited

43
Q

3 Major Salivary Glands

A

Parotid (largest), Sublingual (smallest), Submandibular (warton’s)

44
Q

Ranula

A

blockage of submandibular gland

mucocele in minor salivary gland

45
Q

Thyroid Gland

A

week 3-4, in neck, controls metabolism,

46
Q

Lymphatics

A

help fight disease, ie. tonsils, tooth pulp

47
Q

Tonsils

A

Palantine, Lingual, Phryngeal (adnoids)

48
Q

Lymph Nodes

A

bean shaped; ie. thymus/spleen. Filter toxins

49
Q

Drainage Patterns of Lymph

A

into lymph = afferent vessel

out of lymph = efferent vessel

Histology (8 decks)

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