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The Endowment for Human Development
The Endowment for Human Development
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The Umbilical Vein

7 weeks, 4 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. liver seen through abdominal wall
2. midline abdominal raphe
3. vitelline vessels (yolk stalk)
4. umbilical vein
5. loops of bowel within base of umbilical cord
All ages referenced to fertilization, not last menstrual period.
Hands Touching
Hands Touching
Hand in Motion
Hand in Motion
The Umbilical Vein
The Umbilical Vein
Close-up of Umbilical Cord
Close-up of Umbilical Cord
Left Hand, Upper & Lower Jaw
Left Hand, Upper & Lower Jaw
The Collar Bone and Ear
The Collar Bone and Ear
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