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The Endowment for Human Development
The Endowment for Human Development
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Head and Trunk

#92, Slide 103 of 312

6 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Note:

A model of the central nervous system is superimposed within the embryo model on the left.

Label Key:

1. mesencephalon
2. spine
3. cerebral hemisphere
4. eye
5. right hand
6. liver
7. brain
8. scalp vessels
9. umbilical cord
10. heart chambers
All ages referenced to fertilization, not last menstrual period.
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