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The Endowment for Human Development
The Endowment for Human Development
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Head and Heart

4 weeks, 4 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. midbrain
2. forebrain
3. chest wall
4. site of the future opening of the mouth (stomodeum)
5. heart
6. 1st pharyngeal arch (mandibular portion)
All ages referenced to fertilization, not last menstrual period.
Central Nervous System
Central Nervous System
Head, Heart, and Liver
Head, Heart, and Liver
Head and Heart
Head and Heart
Head and Heart
Head and Heart
The Head and Mouth
The Head and Mouth
Heart Chambers and Liver
Heart Chambers and Liver


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