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The Endowment for Human Development
The Endowment for Human Development
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The Fingertips of the Right Hand

8 weeks

From The Biology of Prenatal Development.Buy Now

Note:

About 75% of developing humans use their right hand more than their left hand by eight weeks of age.

Label Key:

1. pad of right ring finger
2. umbilical cord
3. right little fingertip
4. tip of right thumb
5. palm of right hand
6. nail field
All ages referenced to fertilization, not last menstrual period.
The Right Hand
The Right Hand
Umbilical Cord
Umbilical Cord
The Fingertips of the Right Hand
The Fingertips of the Right Hand
The Right Hand in Motion
The Right Hand in Motion
Eye & Nose, Eight-Week Embryo
Eye & Nose, Eight-Week Embryo
Ulna Surface of Right Hand
Ulna Surface of Right Hand


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