PLATE NUMBER

STAGE

TIME

ORIENTATION

IMAGE

1

Oocyte stage VI

 -

Animal

Vegetal

Animal-vegetal section

2

Oocyte maturation

Initial stage

 -

Animal

Vegetal

Animal-vegetal section

3

Oocyte maturation

Germinal vesicle breakdown

 -

Animal

Vegetal

Animal-vegetal section

4

Oocyte maturation

Germinal vesicle breakdown

 -

Animal

Vegetal

Animal-vegetal section

5

Oocyte maturation

Germinal vesicle breakdown

 -

Animal

Vegetal

Animal-vegetal section

6

Oocyte maturation

First meiotic metaphase

 -

Animal

Vegetal

Animal-vegetal section

7

Fetrilized egg

Embryo stage 1

20 min p.f.

Animal

Vegetal

Animal-vegetal section

8

Fetrilized egg

Embryo stage 1

35 min p.f.

Animal

Ventral Dorsal

Vegetal

Animal-vegetal section

9

Fetrilized egg

Embryo stage 1

45 min p.f.

Animal

Ventral Dorsal

Vegetal

Animal-vegetal section

10

First cleavage

Embryo stage 1+

1 h p.f.

Animal

Lateral Lateral

Vegetal

Animal-vegetal section

11

First cleavage

Embryo stage 2-

1 h 15 min p.f.

Animal

Lateral Lateral

Vegetal

Animal-vegetal section

12

2-cell stage

Embryo stage 2

1 h 30 min p.f.

Animal

Lateral Lateral

Vegetal

Animal-vegetal section

13

8-cell stage

Embryo stage 4

2 h 15 min p.f.

Animal

Vegetal

Animal-vegetal section

14

Fine-cell blastula

Embryo stage 9

7 h p.f.

Animal

Vegetal

Animal-vegetal section

15

Early gastrula

Embryo stage 10+

10 h p.f.

Animal

Ventral Dorsal

Vegetal

Sagittal section

16

Large yolk plug stage

Embryo stage 11 1/2

12 h 15 min p.f.

Animal

Dorsal Ventral

Vegetal

Sagittal section

17

Small yolk plug stage

Embryo stage 13

14 h 45 min p.f.

Dorsal

Posterior Anterior

Ventral

Parasagittal section

18

Small yolk plug stage

Embryo stage 12 1/2

14 h 30 min p.f.

Dorsal

Ventral

Central transversal section

19

Small yolk plug stage

Embryo stage 12 1/2

14 h 30 min p.f.

Dorsal

Ventral

Posterior transversal sections

20

Neural plate stage

Embryo stage 14

16 h 15 min p.f.

Dorsal

Ventral

Anterior transversal section

21

Mid-neural fold stage

Embryo early stage 15

17 h p.f.

Dorsal

Posterior Anterior

Ventral

Sagittal section

22

Mid-neural fold stage

Embryo early stage 15

17 h p.f.

Dorsal

Posterior Anterior

Ventral

Parasagittal section

23

Mid-neural fold stage

Embryo stage 16

18 h 15 min p.f.

Dorsal

Posterior Anterior

Ventral

Parasagittal section

24

Mid-neural fold stage

Embryo stage 16

18 h 15 min p.f.

Dorsal

Ventral

Anterior transversal section

25

Mid-neural fold stage

Embryo stage 16

18 h 15 min p.f.

Dorsal

Ventral

Central transversal section

26

Late neural fold stage

Embryo stage 17

18 h 45 min p.f.

Dorsal

Posterior Anterior

Ventral

Parasagittal section

27

Neural groove stage

Embryo stage 18

19 h 45 min p.f.

Dorsal

Ventral

Central transversal section

28

Neural tube stage

Embryo stage 20

21 h 45 min p.f.

Dorsal

Posterior Anterior

Ventral

Sagittal section

29

Neural tube stage

Embryo stage 20

21 h 45 min p.f.

Dorsal

Posterior Anterior

Ventral

Parasagittal section

30

Neural tube stage

Embryo stage 20

21 h 45 min p.f.

Dorsal

Ventral

Central transversal section

31

Neural tube stage

Embryo stage 20

21 h 45 min p.f.

Anterior

Porsterior

Horizontal section

32

Early tail bud stage

Embryo stage 22

24 h p.f.

Posterior

Anterior

Horizontal section

33

Early tail bud stage

Embryo stage 23

1 d 45 min p.f.

Dorsal

Posterior Anterior

Ventral

Sagittal section

34

Early tail bud stage

Embryo stage 23

1 d 45 min p.f.

Dorsal

Posterior Anterior

Ventral

Parasagittal section

35

Early tail bud stage

Embryo stage 23

1 d 45 min p.f.

Dorsal

Ventral

Transversal sections

36

Tail bud stage

Embryo stage 26

1 d 5 h p.f.

Dorsal

Posterior Anterior

Ventral

Sagittal+parasagittal sections

37

Tail bud stage

Embryo stage 26

1 d 5 h p.f.

Posterior Anterior

Horizontal and sagittal sections

38

Tail bud stage

Embryo stage 26

1 d 5 h p.f.

Dorsal

Ventral

Transversal sections

39

Tail bud stage

Embryo stage 27

1 d 7 h p.f.

Dorsal

Ventral

Transversal sections