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The Endowment for Human Development
The Endowment for Human Development
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The 9-Week Fetus via MRI

#369, Slide 38 of 74

9 weeks

From The Biology of Prenatal Development.Buy Now

Note:

(View from behind)

Label Key:

1. left shoulder
2. ribs
3. left lung
4. vertebral column
5. right lung
6. right shoulder
All ages referenced to fertilization, not last menstrual period.
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