Chapter 17: Pre-natal Development
Mind-Map of chapter 17, Pre-natal development, from Torrance textbook.
- Created by: Katie
- Created on: 28-02-13 12:38
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- 1-Cleavage
- Zygote splits into 2 cells to become enbryo
- Embryo moved towards uterus by cilia & movements of uterine tubes
- No. of cell double at each meiotic division
- Solid ball of cells formed
- Hollow ball filled with fluid interior
- Ball is surrounded by thin outer layer of cells in form of membrane called the chorion
- Hollow ball filled with fluid interior
- Solid ball of cells formed
- No. of cell double at each meiotic division
- Embryo moved towards uterus by cilia & movements of uterine tubes
- Zygote splits into 2 cells to become enbryo
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