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The Endowment for Human Development
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: Uz šo brīdi nieres jau izdala urīnu, ievadot to augļa ūdenī.

Vīriešu dzimuma embrijos, pieaugošie sēklinieki sāk ražot un izdalīt testosteronu.

Kauli, locītavas, muskuļi, nervi un ekstremitāšu asinsvadi izskatās kā pieaugušajiem.

All ages referenced to fertilization, not last menstrual period.
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The Embryonic Period
The Embryonic Period
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Kidneys Produce Urine
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