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The Endowment for Human Development
The Endowment for Human Development
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The Open Left Hand

9 weeks

From The Biology of Prenatal Development.Buy Now

Label Key:

1. right palm
2. chin
3. neck
4. flexor tendons overlying bones of the palm and fingers
5. left thumb
6. nail field
7. left palm
8. left wrist
9. left forearm
10. umbilical cord
All ages referenced to fertilization, not last menstrual period.
The 9-Week Face
The 9-Week Face
The 9-Week Umbilical Cord
The 9-Week Umbilical Cord
The Open Left Hand
The Open Left Hand
The 9-Week Fetus via MRI
The 9-Week Fetus via MRI
Fetal Respiratory System
Fetal Respiratory System
Comparing Lung Development
Comparing Lung Development
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