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The Lower Embryo

4 weeks, 6 days

Buy NowFrom The Biology of Prenatal Development.

Label Key:

  • 1. chest wall
  • 2. heart
  • 3. placental vessels
  • 4. umbilical cord
  • 5. liver
  • 6. amnion surrounding embryo
  • 7. abdominal wall

All ages referenced to fertilization, not last menstrual period.
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The Lower Embryo
The Lower Embryo
Yolk Sac and Vitelline Vessels
Yolk Sac and Vitelline Vessels
Vitelline Vessels and Yolk Sac
Vitelline Vessels and Yolk Sac
The Lower Limbs and Back
The Lower Limbs and Back
Central Nervous System
Central Nervous System
Brain and Spinal Cord
Brain and Spinal Cord
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