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The Endowment for Human Development
The Endowment for Human Development
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Epidermis and Hair


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: By 8 weeks the epidermis, or outer skin, becomes a multi-layered membrane, losing much of its transparency.

Eyebrows grow as hair appears around the mouth.

All ages referenced to fertilization, not last menstrual period.
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Spontaneous Movement
Spontaneous Movement
Reflexive Movement
Reflexive Movement
Epidermis and Hair
Epidermis and Hair
The Embryonic Period
The Embryonic Period
End of Embryonic Period
End of Embryonic Period
Kidneys Produce Urine
Kidneys Produce Urine
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