Fertilisation and foetal development

In this topic

• Fertilisation and the zygote
• The first days and the embryonic period
• The membranes and the placenta
• The foetal period, health and birth

Key terms

• Fertilisation
• Zygote
• Acrosome
• Cleavage
• Implantation
• Embryo
• Germ layers
• Organogenesis
• Amnion
• Placenta
• Umbilical cord
• Foetus

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