Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Slideshow: The Developing Brain

Central Nervous System

#79, Slide 13 of 21

5 weeks, 2 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. isthmus
2. mesencephalic flexure
3. midbrain (mesencephalon)
4. diencephalon
5. epiphysis
6. right and left cerebral hemispheres (telencephalon)
7. filum terminale
8. cerebellum
9. pontine flexure
10. 4th ventricle
11. myelencephalon
12. pons
13. cervical flexure (brain-spinal cord junction)
14. spine
All ages referenced to fertilization, not last menstrual period.
Free resources and training for educators
Tell your story. Create your own pregnancy calendar.