1. -
2. -
3. -
4. -
5. -
6. -
7. -
8. Theory of Hans Spemann for embryonic induction
9. -
10. Epigenesis
11. -
12. Preformationism
13. Postembryonic development
13.1. Metamorphosis
13.1.1. Incomplete
13.1.2. Complete
13.2. -
14. Embryogenesis
14.1. Internal
14.2. External
14.3. -
14.4. -
14.5. Factors
14.5.1. Polarity of the egg
14.5.2. How bilateral symmetry was formed
14.5.3. Regulatory type eggs
14.5.4. Mosaic type eggs
15. Embryonic periodt
15.1. Types of eggs
15.2. Eggs and sperm of several organisms
15.3. -
15.4. -
15.5. Cleavage
15.5.1. Types of cleavage
15.5.1.1. Meroblastic (partial)
15.5.1.2. -
15.5.1.3. Holoblastic (total)
15.5.2. Blastula
15.5.2.1. Blastocoele
15.5.3. -
15.5.4. Blastocyst
15.5.5. -
15.6. -
15.7. -
15.8. Gastrulation
15.8.1. Layers
15.8.1.1. Ectoderm
15.8.1.2. Endoderm
15.8.1.3. Mesoderm
15.8.1.4. -
15.8.2. Mechanics
15.8.2.1. Blastula
15.8.2.2. Blastopore formation
15.8.2.3. Cell migration of form layers
15.8.2.4. Completion of gastrulation
15.8.3. -
15.8.4. Gastrula
15.8.4.1. Dipoblastic
15.8.4.2. Tripoblastic
15.8.5. Processes
15.8.5.1. Epiboly
15.8.5.2. Ingression
15.8.5.3. Invagination
15.8.5.4. Delamination
15.8.5.5. Polar proliferation
15.8.6. Blastopore
15.8.6.1. Deuterostomes
15.8.6.2. Protostomes
15.9. -
16. -
17. Ageing
17.1. -
17.2. Senescence
17.3. Death
17.3.1. Clinical
17.3.2. Biological