Left Hand and Vital Organs

#98, Slide 13 of 74

6 weeks, 6 days

From The Biology of Prenatal Development.

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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.

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