deck_18381623 Flashcards
(20 cards)
1
Q
What are the 3 major events of Prenatal Development?
A
1) Preimplantation
2) Embryonic Period
3) Foetal Period
2
Q
How long is Prenatal Development?
A
Start of pregnancy to Birth
3
Q
In what week is the preimplantation period?
A
1st week
4
Q
What occurs within the Preimplantation Period?
A
- Fertilisation
- Zygote and blastocyst formation
- Implantation
5
Q
What happens in the Fertilisation Phase?
A
Begins with contact between a sperm and an oocyte and ends with intermingling of maternal and paternal chromosomes at metaphase of the first mitotic division of the zygote
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