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The Endowment for Human Development
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End of Embryonic Period


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: Aštuntąją savaitę baigiasi embrioninis periodas.

Šiuo periodu žmogaus embrionas nuo vienos ląstelės užaugo iki beveik vieno milijardo ląstelių, kurios sudaro virš 4 000 skirtingų anatominių struktūrų.

Dabar embrione yra daugiau nei 90% suaugusiojo struktūrų.

All ages referenced to fertilization, not last menstrual period.
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