Neuroanatomy Draw It To Know It

108 Neuroanatomy: Draw It to Know It

1 mm

A Cervical

Dorsal root

Dorsal funiculus

Dorsal median septum Fasciculus gracilis

Fasciculus cuneatus

Dorsomedial tract

Dorsolateral (Lissauer's) tract

Marginal layer

Substantia gelatinosa

Nucleus proprius

Reticulated area

Intermediategray

Central canal

Central canal

Far-lateral

Medial

Central

Ventromedialfuniculus Ventral median sulcus

Ventral funiculus

Ventral horn

Lateral

funiculus

Dorsal horn

B Thoracic

C Lumbar

Dorsal horn

Lateral horn

Ventral horn

Clarke's column

Medial motor columns

Dorsal horn

Lateral funiculus

Ventral horn

Fasciculus gracilis

Myelinated afferents

Central gray

Intermediate gray

Central

Medial

Far-lateral

Near-lateral

Near-lateral

Motorcolumns

Motor

columns

FIGURE 7-1 Histologic axial sections through cervical, thoracic, and lumbosacral spinal cord. 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.