The Fingertips of the Right Hand

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

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

Umbilical Cord

The Fingertips of the Right Hand

The Right Hand in Motion

Eye & Nose, Eight-Week Embryo

Ulna Surface of Right Hand

8 weeks