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The Endowment for Human Development
The Endowment for Human Development
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Left Hand and Vital Organs

6 weeks, 6 days

Left Hand and Vital Organs [Click for next image]
From The Biology of Prenatal Development.Buy Now

Note:

The process of progressive notching between digital rays, which allows the individual digits to emerge, is accomplished through the planned death of the cells in this region. This process of programmed cell death is called apoptosis.

Label Key:

1. forehead
2. nasal prominence
3. heart
4. liver
5. marginal vein
6. notching
7. left eye
8. left wrist
9. left hand
10. digital rays
All ages referenced to fertilization, not last menstrual period.
The Left Eye and Ear
The Left Eye and Ear
The Left Ear
The Left Ear
Left Hand and Vital Organs
Left Hand and Vital Organs
The Beating Heart and Liver
The Beating Heart and Liver
Close-up of the Left Eye
Close-up of the Left Eye
Back of the Right Hand
Back of the Right Hand
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