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The Mouth and Nose

#201, Slide 279 of 312

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.
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