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The Endowment for Human Development
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Amniotic Fluid


4 weeks, 4 days

From The Biology of Prenatal Development.Buy Now

Script: 4주까지는 투명한 양막이 액체로 가득한 주머니 형태로 배아를 둘러싼다 양수라고 불리는 이 무균의 액체는 배아가 다치지 않도록 보호한다.

All ages referenced to fertilization, not last menstrual period.
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Sections of the Brain
Sections of the Brain
Body Cavity Formation
Body Cavity Formation
Amniotic Fluid
Amniotic Fluid
The Heart in Action
The Heart in Action
The Limbs Bud
The Limbs Bud
Transparent Skin
Transparent Skin
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