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The Endowment for Human Development
The Endowment for Human Development
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The Heart and Hand

6 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. notches around left middle digital ray (future third or middle finger)
2. heart
3. midline abdominal raphe
4. palmar digital arteries
5. notched left hand plate
6. nipple
7. liver
All ages referenced to fertilization, not last menstrual period.
The Circulation of the Hand
The Circulation of the Hand
The Beating Heart
The Beating Heart
The Heart and Hand
The Heart and Hand
Hand, 7 Weeks Pregnant
Hand, 7 Weeks Pregnant
Lower Embryo at 7 Weeks, 2 Days
Lower Embryo at 7 Weeks, 2 Days
The 7½-Week Face
The 7½-Week Face


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