front matter 1

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

Dorsal funiculus

Dorsal

horn

Dorsal

horn Substantia

gelatinosa

Substantia

gelatinosa

Lateral

funiculus

Lateral

funiculus

Central

autonomic

area

Central

autonomic

area

Lamina ILamina I

Laminae

IV-V

Laminae

IV-V Dorsal root

Central canal

surrounded by ependyma

Central canal

surrounded by ependyma

hip?hip?

hip?hip?

thigh?thigh?

thigh

and leg?

thigh

and leg?

ankle, foot,

and toes?

ankle, foot,

and toes?

toes?toes?

Ventral white

commissure

Ventral white

commissure

VVentral gray commissureentral gray commissure

Dorsal median septum

Ventral

median fissure

See the matched myelin stained section in Plates 101A and B

Refer to the matching myelin stained section for the approximate locations of the lateral corticospinal tract,

the rubrospinal, lateral reticulospinal, vestibulospinal, intraspinal, and spinocephalic tracts.

PLATE 102B