VVVentral funiculusentral funiculusentral funiculus
Ventral horn
motoneurons
Ventral horn
motoneurons
Ventral horn
interneurons
Ventral horn
interneurons
Intermediate
interneurons
Intermediate
interneurons
Dorsal root
bifurcation zone
Fasciculus gracilis
Dorsal root
collateralization zone
Lissauer's
tract
Lissauer's
tract
Dorsal funiculus
Dorsal
horn
Dorsal
horn
Substantia
gelatinosa
Substantia
gelatinosa
Lateral
funiculus
Lateral
funiculus
Lateral horn
motoneurons
Lateral horn
motoneurons
Lamina ILamina I
Laminae
IV-V
Laminae
IV-V
ClarkClarke's columne's column
central
trunk?
central
trunk?
Central canal
surrounded by ependyma
Central canal
surrounded by ependyma
Dorsal median septum
Ventral white
commissure
Ventral white
commissure
Ventral gray
commissure
Ventral gray
commissure
Ventral
median fissure
Central
autonomic
area
Central
autonomic
area
See the matched myelin stained section in Plates 112A and B
Refer to the matching myelin stained section for the approximate
locations of the lateral corticospinal tract, the lateral reticulospi-
nal, vestibulospinal, intraspinal, and spinocephalic tracts.
PLATE 113B