Neuroanatomy Draw It To Know It

176 Neuroanatomy: Draw It to Know It

A

B C

1

2

3

Neural plate Open neuroepithelium

Closing neuroepithelium

Closed neuroepithelium

Mesoderm

Notochordal plate

Somite

Notochord

Neural groove

Neural tube

Spinal canal

Open neuroepithelium

Neural groove

Lip of neural groove

Open neuroepithelium

Somites

Closed neuroepithelium

Posterior neuropore

GW3.0 GW3.0

Closing neuroepithelium

Otic placode

SPINAL CORD

BRAIN VESICLES

FIGURE 11-1 A. Axial section through the developing embryo and B. Neural tube model and axial section. Used with permission from Altman, Joseph,
and Shirley A. Bayer. Development of the Human Spinal Cord: An Interpretation Based on Experimental Studies in Animals. Oxford; New York: Oxford
University Press, 2001.