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The Endowment for Human Development
The Endowment for Human Development
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Skin and Hair


5 months

From The Biology of Prenatal Development.Buy Now

Script: 두피에는 모발이 자라기 시작한다

모낭과 분비샘을 포함한 모든 피부층과 구조물이 형성됐다

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Circadian Rhythms
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Responds to Sound
Skin and Hair
Skin and Hair
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