Fertilisation 0.0 / 5 ? MedicineGrowth and Development UniversityNone Created by: HedleyBaulfCreated on: 19-05-16 13:03 Day 1 Eggs leaves ovary and travels to the oviduct with the aid of fimbraie. 1 of 8 Day 2 Fertilised egg begins to divide into two cells. By the end of the day there are 8 cells. 2 of 8 Day 3 + 4 Cells continue moving and dividing 3 of 8 Day 5 Ball of cells now known as a morula. Morula becomes hollow by pumping fluid into the centre = Blastocyst. 4 of 8 Blastocyst Hatches from the Zona pellucia 5 of 8 Zona pellucia Thick transparent membrane surrounding the ovum before implantation. Once the blastocyst has hatched it is able to embed into the uterine wall. 6 of 8 Day 6 Inner cell mass forms as well and exterior cells which contribute to placenta. 7 of 8 Day 7 Cells on the inside become primitive ectoderm (Stem cells) 8 of 8
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