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The Endowment for Human Development
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Blood Formation in Liver


6 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Script: Do 6 týždňov prebieha tvorba krvných buniek v pečeni, kde sa teraz nachádzajú aj lymfocyty. Tento druh bielej krvinky zohráva kľúčovú úlohu pri vývine imunitného systému.

Bránica, ktorá je hlavným svalom používaným pri dýchaní, sa formuje prevažne do 6 týždňov.

All ages referenced to fertilization, not last menstrual period.
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