meninges
spinal cord
medulla oblongata, lumbar
ventral
peripheral
dorsal
subarachnoid
vertebrae
dorsal
five
subarachnoid
33
dura mater
gray
meninges
dura mater
meninges
gray
31
cauda equina
Spinal
dorsal
white
myotomal, dermatomal
dura mater
white
ventral
pia mater
medulla oblongata, lumbar
ventral
spinal canal
dorsal, ventral
medulla oblongata
cauda equina
subarachnoid
pia mater