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The Endowment for Human Development
The Endowment for Human Development
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Slideshow: Entire Image Gallery by EHD

Human Zygote

#11, Slide 14 of 312

6 hours

From The Biology of Prenatal Development.Buy Now

Label Key:

1. perivitelline space
2. zona pellucida
3. cell membrane
4. artifacts
All ages referenced to fertilization, not last menstrual period.
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