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The Endowment for Human Development
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Brain and Spinal Cord

5 weeks, 2 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. 4th ventricle
2. pontine flexure
3. cerebellum
4. metencephalon
5. midbrain
6. mesencephalic flexure
7. diencephalon
8. left cerebral hemisphere
9. filum terminale
10. myelencephalon
11. cervical flexure (brain-spinal cord junction)
12. pons
13. spinal cord
14. heart
15. umbilical cord
16. right wrist
17. right hand
18. right cerebral hemisphere
19. liver
All ages referenced to fertilization, not last menstrual period.
The Lower Limbs and Back
The Lower Limbs and Back
Central Nervous System
Central Nervous System
Brain and Spinal Cord
Brain and Spinal Cord
Central Nervous System
Central Nervous System
Heart and Brain
Heart and Brain
Head and Heart
Head and Heart


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