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The Endowment for Human Development
The Endowment for Human Development
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Slideshow: Umbilical Cord, Placenta & More

Heart and Brain

#74, Slide 4 of 35

5 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. tip of "tail"
2. left cerebral hemisphere
3. heart
4. liver
5. umbilical cord
All ages referenced to fertilization, not last menstrual period.
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