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Base of Umbilical Cord, 7½ Weeks

7 weeks, 4 days

Buy NowFrom The Biology of Prenatal Development.

Note:

The presence of loops of bowel inside the umbilical cord are normal at this stage. These loops will move back into the belly by about 10 weeks after fertilization.

Note:

The knees are moving and ready to rock'n roll!

Label Key:

  • 1. umbilical cord
  • 2. vitelline vessels
  • 3. loops of bowel
  • 4. umbilical vein
  • 5. right knee

All ages referenced to fertilization, not last menstrual period.
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Base of Umbilical Cord, 7½ Weeks
Base of Umbilical Cord, 7½ Weeks
7½-Week Embryo
7½-Week Embryo
Fingers and Notches
Fingers and Notches
Hands Touching
Hands Touching
Hand in Motion
Hand in Motion
The Umbilical Vein
The Umbilical Vein
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