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.