Implantation Flashcards
1
Q
What is implantation?
A
A fertilised egg embossing itself to the uterine wall
2
Q
The process of implantation summarised
(Zebras Can Make Big Gestures Fast)
A
- Zygote
- Cleavage
- Morula
- Blastocyst
- Gastrula
- Fetus
3
Q
What is the cleavage process?
A
The zygote undergoes rapid cell division to form 8 cells from 2 cells via mitosis
4
Q
Morula
A
Cells continue to undergo rapid cell division via mitosis and cells begin to differentiate
5
Q
Blastocyst
A
- where implantation occurs
- 2 layers form
Outer layer and inner layer
6
Q
Gastrula
A
Embedded embryo forms 3 layers
Ectoderm: outer layer e.g lungs
Mesoderm: middle layer e.g muscular system
Endoderm: Inner layer e.g nervous system
7
Q
Fetus
A
Adult features have formed