Bilaminar Embriyonik Disk 1. Syncytiotrophoblast 2. Trophoblastic lacunae 3. Surface epithelium 4. Fibrin coagulum 5. Epiblast 6. Aminotic cavity 7. Hypoblast 8. Cytotrophoblast 9. Exocoelomic cavity 3/9/2023 Ovulasyondan-Bilaminer Germ Disk 71