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The Yolk Sac


 

5 semanas, 2 días

Compre ahoraDe La biología del desarrollo prenatal

Guión: The yolk sac contains early reproductive cells called germ cells. By 5 weeks these germ cells migrate to the reproductive organs adjacent to the kidneys.

Todas las edades en referencia a la fecundación, no al último período menstrual.
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The Yolk Sac
The Yolk Sac
The Liver and Heart
The Liver and Heart
Hand Plates and Cartilage
Hand Plates and Cartilage
Brainwaves
Brainwaves
Polygon-Shaped Hand Plates
Polygon-Shaped Hand Plates
4D Ultrasound
4D Ultrasound
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