The effect of the environment on embryonic development

In this topic

• The embryo is protected, but not isolated
• Critical periods
• Teratogenic factors
• Nutrition, other organisms and prevention

Key terms

• Teratogen
• Critical period
• Placenta
• Amnion
• Implantation
• Organogenesis
• Congenital defect
• Hypoxia
• Folic acid
• Rubella
• Toxoplasmosis
• Prenatal screening

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