Anterior median fissure
Dorsal root entry zone, medial & lateral
Cauda equina (dorsal and ventral roots)
Anterior Spinal Artery
Posterior Spinal Artery
S-5 Cord Level Features:
Lower sacral cord below lumbosacral plexus has grossly thickend gray horns and a grossly thickened commissural gray.
White matter is markedly diminished since all tracts are miniamlly represented except for fasciculus proprius.