Across
6. that shunts blood from the liver to the vena cava in the fetus
7. early zygote development
9. forms nervous system and skin
14. becomes the placenta
15. the stage when the germ layers form
16. lead from the placenta to the fetus
18. Forms part of the gut and Produces early blood cells
20. forms digestive, respiratory, an urogenital systems.
23. Hormone that acts like luteinizing hormone
Down
1. lead from the fetus to the placenta
2. liquid that fills the amniotic sac
3. a hollow shape of more than 100 cells
4. forms base for umbilical cord
5. becomes the embryonic disc
8. development from 8 weeks on
10. development from fertilization to implantation
11. Ball of cells
12. Outer most membrane encloses the embryo & forms the placenta
13. responsible for nourishing the developing fetus
17. forms all connective tissue
19. development from implantation to 8 weeks
21. extend into the uterus from the chorion
22. shunt between the fetal atrium
24. transparent membrane that will extend around the fetus