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The Endowment for Human Development
The Endowment for Human Development
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Investigating the Thumbs

5 months, 1 week

From The Biology of Prenatal Development.Buy Now

Label Key:

1. forehead
2. nose
3. left eye
4. left thumb
5. left forearm
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
Close-up of Fetal Skin
Close-up of Fetal Skin
The Mouth and Nose
The Mouth and Nose
Investigating the Thumbs
Investigating the Thumbs
A Smile
A Smile
The Mouth
The Mouth
Close-up, Mouth and Lips
Close-up, Mouth and Lips


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