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

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

2

1. odontoblasts
2. ameloblasts

3

What is this structure?

ameloblasts

4

What are these lines?

growth lines or strae of Retzius

5

What are these lines/ridges?

perikymata

6

What are these ridges?

perikymata

7

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

8

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

left = primary
right = permanent

9

1. perikymata
2. lines of Retzius

10

1. interrod substance
2. enamel rod

11

Is this mature or partially mineralized enamel

mature; cross section of the rods

12

Is this mature or partially mineralized enamel

patrially mineralized; cross section of the enamel rods

13

What relationship is this showing

relationship of Retzius lines to the longitudinal rods

14

What is this image depicting

the fish scale appearence of enamel rods

15

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

16

1. enamel rod
2. interrod substance

17

enamel lamella

18

enamel tufts

19

enamel tufts

20

enamel spindle

21

enamel spindle

22

enamel lamella

23

enamel spindle

24

Hunter-Schreager bands

25

Hunter-Schreager bands

26

Which of these is enamel

top right

27

Which of these relationships is normal

left; most common

28

What do each of these tissues give to amelogenesis

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

29

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

30

yellow arrow = ameloblasts
white arroe = odontoblasts

31

1. dentin
2. DEJ
3. enamel

32

1. inner rodless enamel
2. Tomes' process

33

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

34

1. paritally mineralized enamel
2. Tomes' processes

35

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

36

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

37

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

38

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

39

1. reduced enamel epithelium
2. oral ectoderm

40

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

41

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

42

? = reduced enamel epithelium

43

1. preodontoblasts