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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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Germ Layers of the Embryo

#29, Slide 47 of 312

14 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. neural groove
2. hypoblast
3. epiblast (ectoderm)
All ages referenced to fertilization, not last menstrual period.
Buy the Biology of Prenatal Development DVD
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