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Blood Cells and Bone Marrow


3 months, 3 weeks

From The Biology of Prenatal Development.Buy Now

Script: Dentro de 15 semanas, células-tronco formadoras de sangue aparecem e se multiplicam na medula óssea. A maior parte da formação de células sangüíneas se dá aqui.

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