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The Endowment for Human Development
The Endowment for Human Development
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Blood Cells and Bone Marrow


3 months, 3 weeks

From The Biology of Prenatal Development.Buy Now

Script: Setelah 15 minggu, sel stem pembentuk-darah muncul dan berganda dalam sum-sum tulang. Kebanyakan pembentukan sel darah akan terjadi di sini.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Gender Differences
Gender Differences
Tooth Development Begins
Tooth Development Begins
Blood Cells and Bone Marrow
Blood Cells and Bone Marrow
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
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