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The Endowment for Human Development
The Endowment for Human Development
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The Folding of the Embryo


3 weeks

From The Biology of Prenatal Development.Buy Now

Script: Antarane 3 nganti 4 minggu, bentuk awake manungsa mulai muncul, karo bagian otak, jalur spinal, lan bagian jantung nang embrio sing iso dingerteni sepanjang bagian kantong pangan.

Akibat perkembangan sing cepet kuwi muncul lipatan - lipatan nang bagian embrio sing bentuke datar kuwi. Proses iki mbentuk bagian kantong pangan dadi jalur sistem pencernaan lan mbentuk bagian dada lan bagian-bagian weteng sing kosong nang awake manungsa sing lagi berkembang.

4 minggu

All ages referenced to fertilization, not last menstrual period.
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