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The Endowment for Human Development
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Kidneys Produce Urine


8 weeks, 1 day

From The Biology of Prenatal Development.Buy Now

Script: Bis zu diesem Zeitpunkt produzieren die Nieren Urin, der in die Fruchtblase entlassen wird.

In männlichen Embryos beginnen die sich entwickelnden Hoden Testosteron zu produzieren und abzugeben.

Die Knochen, Gelenke, Muskeln, Nerven und Blutgefäße der Extremitäten ähneln stark denen von Erwachsenen.

All ages referenced to fertilization, not last menstrual period.
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The Embryonic Period
The Embryonic Period
End of Embryonic Period
End of Embryonic Period
Kidneys Produce Urine
Kidneys Produce Urine
Eyelid Fusion
Eyelid Fusion
Breathing Motions
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Buy the Biology of Prenatal Development DVD


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