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The Endowment for Human Development
The Endowment for Human Development
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Surrounded by the Amnion

4 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Note:

It's hard to imagine that the heart was once so close to the face but indeed it was!

Label Key:

1. early ear
2. midbrain
3. hindbrain
4. eye
5. forebrain
6. stomodeum
7. chest wall
8. heart
9. first pharyngeal arch
10. right anterior cardinal vein
11. neural fold
All ages referenced to fertilization, not last menstrual period.
Heart Chambers and Liver
Heart Chambers and Liver
Heart in Slow Motion
Heart in Slow Motion
Surrounded by the Amnion
Surrounded by the Amnion
The Early Brain and Face
The Early Brain and Face
Amnion
Amnion
Heart and Liver
Heart and Liver
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