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The Endowment for Human Development
The Endowment for Human Development
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Head and Left Hand

6 weeks, 6 days

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

Note:

The digital rays seen here are the five long thin structures in the left hand. Each digital ray in the hand gives rise to the bones of one finger (or thumb).

Label Key:

1. notching between digital rays
2. umbilical arteries
3. brain
4. umbilical vein
5. left eye
6. external ear
7. digital rays
8. left wrist
All ages referenced to fertilization, not last menstrual period.
Polygon-Shaped Right Hand
Polygon-Shaped Right Hand
The Placenta from the Inside
The Placenta from the Inside
Head and Left Hand
Head and Left Hand
The Brain, Heart, and Liver
The Brain, Heart, and Liver
MRI Model of the Brain
MRI Model of the Brain
Head and Trunk
Head and Trunk
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