KROK 1 Stomatology 2016 – Question 19 · KROK (Dentistry)
In the preparation of a 10-day-old human embryo there are 2 contacting sacs visible (amniotic and vitelline). Name the structure situated at the place of the contact:
- A. Extraembryonic mesoderm
- B. Fundus of the amniotic sac
- C. Embryonic shield
- D. Fornix of the vitelline sac
- E. Amniotic pedicle
Hint
Think about what lies between the floor of one early sac and the roof of the other in the second week of development.
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