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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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Fetal Respiratory System

9 weeks

Fetal Respiratory System [Click for next image]
From The Biology of Prenatal Development.Buy Now

Label Key:

1. right lung
2. trachea
3. left lung
All ages referenced to fertilization, not last menstrual period.
The Open Left Hand
The Open Left Hand
The 9-Week Fetus via MRI
The 9-Week Fetus via MRI
Fetal Respiratory System
Fetal Respiratory System
Comparing Lung Development
Comparing Lung Development
The 9-Week Fetus in Motion
The 9-Week Fetus in Motion
The Coiled Umbilical Cord
The Coiled Umbilical Cord
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