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The Endowment for Human Development
The Endowment for Human Development
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The 9-Week Umbilical Cord

9 weeks

From The Biology of Prenatal Development.Buy Now

Note:

Note the definite color difference between the umbilical vein and artery.

Label Key:

1. umbilical vein
2. umbilical artery
3. chorionic plate
All ages referenced to fertilization, not last menstrual period.
The 9-Week Fetus
The 9-Week Fetus
The 9-Week Face
The 9-Week Face
The 9-Week Umbilical Cord
The 9-Week Umbilical Cord
The Open Left Hand
The Open Left Hand
The 9-Week Fetus via MRI
The 9-Week Fetus via MRI
Fetal Respiratory System
Fetal Respiratory System
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