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The Endowment for Human Development
The Endowment for Human Development
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Slideshow: The Developing Brain

Central Nervous System

#61, Slide 6 of 21

4 weeks, 4 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. neural folds within brain
2. right upper limb bud
3. fused neural folds within spinal cord
All ages referenced to fertilization, not last menstrual period.
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