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The Endowment for Human Development
The Endowment for Human Development
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Slideshow: Facial Expressions

Nose and Mouth

#172, Slide 7 of 31

11 weeks, 3 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. epithelial plug in nostril
2. tip of nose
3. border of lip and skin (vermillion border)
4. upper lip
5. philtrum
6. lower lip
All ages referenced to fertilization, not last menstrual period.
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