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The Endowment for Human Development
The Endowment for Human Development
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Eyelid Fusion


8 weeks, 2 days

From The Biology of Prenatal Development.Buy Now

Script: Between 7 and 8 weeks, the upper and lower eyelids rapidly grow over the eyes and partially fuse together.

All ages referenced to fertilization, not last menstrual period.
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End of Embryonic Period
End of Embryonic Period
Kidneys Produce Urine
Kidneys Produce Urine
Eyelid Fusion
Eyelid Fusion
Breathing Motions
Breathing Motions
4D Ultrasound
4D Ultrasound
Fetal Period Begins
Fetal Period Begins
When does health begin? Find out now.
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