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The Endowment for Human Development

The Endowment for Human Development

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Slideshow: The Developing Brain

The Body Plan Emerges

#37, Slide 5 of 21

4 weeks

The Body Plan Emerges

From The Biology of Prenatal Development.

Label Key:

1. midbrain

2. forebrain

3. umbilical cord

4. hindbrain

5. neck

6. heart

7. left upper limb bud

All ages referenced to fertilization, not last menstrual period.

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