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The Endowment for Human Development
The Endowment for Human Development
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Slideshow: Favorites

The Lower Jaw and Neck

#149, Slide 36 of 74

8 weeks, 2 days

From The Biology of Prenatal Development.Buy Now

Note:

The "overbite" seen at seven and a half weeks is now resolved.

Label Key:

1. right upper arm
2. chest
3. open mouth (oral cavity)
4. chin
5. upper lip
6. border between lip and facial skin (vermillion border)
7. lower lip
8. neck
All ages referenced to fertilization, not last menstrual period.
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