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The Endowment for Human Development
The Endowment for Human Development
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Slideshow: Umbilical Cord, Placenta & More

Amnion and Umbilical Cord

#425, Slide 31 of 35

11 weeks, 3 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. amnion
2. right elbow
3. umbilical vein
4. umbilical arteries
5. abdominal wall
All ages referenced to fertilization, not last menstrual period.
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