EX1; Practical Images - Enamel Tissue and Amelogenesis Flashcards Preview

May14 Oral Histology > EX1; Practical Images - Enamel Tissue and Amelogenesis > Flashcards

Flashcards in EX1; Practical Images - Enamel Tissue and Amelogenesis Deck (43):
1

Where are these DEJ relationships found

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A; scolloped = coronal area
B; smooth = cervical area

2

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1. odontoblasts
2. ameloblasts

3

What is this structure?

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ameloblasts

4

What are these lines?

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growth lines or strae of Retzius

5

What are these lines/ridges?

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perikymata

6

What are these ridges?

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perikymata

7

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1. interrod substance
2. enamel rod
3. enamel sheath

8

What is the difference between the left and the right images of enamel

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left = primary
right = permanent

9

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1. perikymata
2. lines of Retzius

10

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1. interrod substance
2. enamel rod

11

Is this mature or partially mineralized enamel

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mature; cross section of the rods

12

Is this mature or partially mineralized enamel

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patrially mineralized; cross section of the enamel rods

13

What relationship is this showing

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relationship of Retzius lines to the longitudinal rods

14

What is this image depicting

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the fish scale appearence of enamel rods

15

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1. enamel rod
2. enamel rod sheath
3. interrod substance

16

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1. enamel rod
2. interrod substance

17

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enamel lamella

18

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enamel tufts

19

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enamel tufts

20

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enamel spindle

21

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enamel spindle

22

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enamel lamella

23

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enamel spindle

24

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Hunter-Schreager bands

25

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Hunter-Schreager bands

26

Which of these is enamel

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top right

27

Which of these relationships is normal

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left; most common

28

What do each of these tissues give to amelogenesis

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1. ameloblast
2. alkaline phosphatase
3. rich blood supply

29

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1. stellate reticulum
2. stratum intermedium
3. inner cells
4. clear layer
5. peripheral calls of dntal papilla

30

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yellow arrow = ameloblasts
white arroe = odontoblasts

31

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1. dentin
2. DEJ
3. enamel

32

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1. inner rodless enamel
2. Tomes' process

33

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1. inner rodless enamel
2. enamel rod
3. Tomes' process

34

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1. paritally mineralized enamel
2. Tomes' processes

35

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1. pulp
2. dentin
3. enamel
4. ameloblasts
5. stratum intermedium
6. stellate reticulum

36

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1. stellate reticulum
2. stratum intermedium
3. ameloblasts
4. enamel

37

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1. dentin
2. enamel
3. ameloblasts
4. Tomes' process

38

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1. dentin
2. enamel
3. ameloblasts
4. Tomes' process

39

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1. reduced enamel epithelium
2. oral ectoderm

40

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1. mature enamel
2. dentin
3. immature enamel
4. pulp

41

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1. stellate reticulum
2. stratum intermedium
3. odontoblasts
4. ameloblasts
5. dentin
6. ameloblasts

42

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? = reduced enamel epithelium

43

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1. preodontoblasts