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Close-up of Umbilical Cord

7 weeks, 4 days

From The Biology of Prenatal Development.Buy Now

Note:

There are normally 2 umbilical arteries and 1 umbilical vein. The umbilical vein carries oxygen-rich blood from the placenta to the embryo and is recognizable by its larger size and brighter red color.

Label Key:

  • 1. placental vessels
  • 2. umbilical vein
  • 3. placenta
  • 4. umbilical arteries

All ages referenced to fertilization, not last menstrual period.
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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
Right Eye, Hand-Face Contact
Right Eye, Hand-Face Contact
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Hands and Face
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Hands and Fingers
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