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The Endowment for Human Development
The Endowment for Human Development
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The Mouth and Nose

5 months, 1 week

From The Biology of Prenatal Development.Buy Now

Label Key:

1. nose
2. philtrum
3. upper lip
4. lower lip
5. epithelial plug in nostril
6. mouth (oral cavity)
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
Holding the Umbilical Cord
Holding the Umbilical Cord
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


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