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The Endowment for Human Development
The Endowment for Human Development
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Posterior Surface of Left Thigh

3 months

From The Biology of Prenatal Development.Buy Now

Label Key:

1. biceps femoris tendon
2. semitendinosis tendon
3. umbilical cord
4. scrotum
5. penis
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
Right Hand Covering Face
Right Hand Covering Face
Partially-Closed Left Hand
Partially-Closed Left Hand
Posterior Surface of Left Thigh
Posterior Surface of Left Thigh
Fingertips
Fingertips
The Amnion and Left Hand
The Amnion and Left Hand
Left Eye With Fused Eyelids
Left Eye With Fused Eyelids
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