VVentral funiculusentral funiculus
Ventral horn
motoneuronsVentral horn
motoneuronsVentral horn
interneuronsVentral horn
interneuronsIntermediate
interneuronsIntermediate
interneuronsDorsal root
bifurcation zoneFasciculus gracilisDorsal root
collateralization zoneDorsal funiculus
Dorsal
horn
Dorsal
horn
Substantia
gelatinosaSubstantia
gelatinosaLateral
funiculus
Lateral
funiculus
Lamina ILamina ILaminae
IV-VLaminae
IV-VDorsal rootlower
trunk?lower
trunk?lower
trunk?lower
trunk?hip?hip?hip?hip?hip and
thigh?hip and
thigh?thigh
and leg?thigh
and leg?
thigh
and leg?thigh
and leg?
thigh?thigh?ankle?ankle?ankle and
foot?ankle and
foot?
foot?foot? foot?foot?Lissauer's
tractLissauer's
tractCentral canal
surrounded by ependymaCentral canal
surrounded by ependymaDorsal median septumVentral white
commissureVentral white
commissureVentral gray
commissureVentral gray
commissureVentral
median fissureCentral
autonomic
areaCentral
autonomic
areaSee the matched myelin stained section in Plates 116A 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 117B