1. How do menstrual/gestational age differ from embryological age
2. What occurs in each of the 3 trimesters
3. Where do fertilization and implantation occur
4. What produces blastomeres, and till what day do they occur
5. What 2 processes are involved in the formation of the blastocyst from the morula and by what mechanism do these occur
6. On the same day that these mechanisms occur, by what mechanism does the embryo blastocyst hatch from the zona pellucid
7. In the blastocyst what are the two specializations
8. How does the ICM differentiate on day 8, what lies between the two layers, what axis does this form
9. What sort of epithelium are the epiblast and hypoblast
10. On what day does the polar trophectoderm embed in the endometrium
11. How are the 3 bilayered structures formed (amnion, yolk sac/exocoelomic cavity, chorion/extraembryonic coelom) and what constitutes their walls
12. How do the two waves of hypoblast migration produce the primary and definitive yolk sac and what is Heuser’s membrane, what days do these occur on
13. What s the connecting stalk and what does it form
14. What is a bilaterally symmetrical, triptoblastic, deuterostomic coelomate
15. What are the 4 families of CAM – transmembrane glycoproteins – with which each germ layer sticks to itself
16. On what day does gastrulation occur
17. What 3 things have been acquired by the end of gastrulation
18. From which layer do all embryonic tissues come from
19. The formation of what marks the beginning of gastrulation