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The Endowment for Human Development
The Endowment for Human Development
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Main Stem Bronchi


9 weeks

From The Biology of Prenatal Development.Buy Now

Script: 9週

呼吸系統中， 出現右和左主支氣管幹 並且最終 連結氣管 和肺。

All ages referenced to fertilization, not last menstrual period.
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4D Ultrasound
4D Ultrasound
The Fetal Period
The Fetal Period
Main Stem Bronchi
Main Stem Bronchi
Uterus is Identifiable
Uterus is Identifiable
Vocal Cords
Vocal Cords
Sucking and Swallowing
Sucking and Swallowing
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