1. Secondary yolk sac
2. Exocoelomic cyst
3. Aminotic cavity
4. Extra-embryonic coelom
5. Epiblast
6. Connecting stalk
7. Hypoblast
8. Primary villi
9. Trophoblastic lacunae
10. Extraembryonic somatic mesoderm
11. Extraembryonic splanchnic mesoderm
3/4/2025 Fertilizasyon-Bilaminer Germ Disk 78