Across
- 1. from Hensen's node to the protochordal plate
- 7. pregnancy detector
- 8. epicardium of heart develops from this mesoderm
- 11. pregnancy outside uterus
- 12. cells at tip of neural folds
- 14. first sign of gastrulation
- 15. median umbilical ligament
Down
- 2. human placenta
- 3. maattrraan-Surya
- 4. organ of respiration in fetus
- 5. forms villi and placenta
- 6. inbuilt shock absorber for baby
- 9. implantation at lower segment of uterus
- 10. type of implantation in humans
- 13. membrane lining primary yolk sac