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The Endowment for Human Development
The Endowment for Human Development
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Legs & Genital Tubercle

7 weeks, 2 days

From The Biology of Prenatal Development.Buy Now

Note:

It is still too soon to distinguish the girls from the boys by looking at the external genitalia.

Note:

The great saphenous veins are easily seen in both legs.

Label Key:

1. lower limbs
2. right great saphenous vein
3. perineum
4. loops of intestine inside base of umbilical cord
5. genital tubercle
All ages referenced to fertilization, not last menstrual period.
The Heart and Hand
The Heart and Hand
Hand, 7 Weeks Pregnant
Hand, 7 Weeks Pregnant
Legs & Genital Tubercle
Legs & Genital Tubercle
Lower Embryo at 7 Weeks, 2 Days
Lower Embryo at 7 Weeks, 2 Days
The 7½-Week Face
The 7½-Week Face
The Right Hand
The Right Hand
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