2
SpinalCordandVentralRamiinSitu
Plate160
SpinalCord
Occipital bone
C1 spinal nerve
C2 vertebra (axis)
C8 spinal nerve
T1 spinal nerve
1st rib
Intercostal
nerves
T12 spinal
nerve
12th rib
Subcostal
nerve
Conus medullaris
L1 spinal nerve
Cauda equina
L5 spinal nerve
S1 spinal nerve
Sacrum (
cut away
)
Filum terminale internum
Termination of dural sac
S5 spinal nerve
Coccygeal nerve
C1 vertebra (atlas)
Cervical plexus
C7 vertebra
T1 vertebra
Brachial plexus
Spinal dura mater
Lumbar plexus
Dorsal rootlets
of spinal nerves
(T7 and T8)
T12
vertebra
L1
vertebra
Iliohypogastric
nerve
Ilio-inguinal
nerve
L5 vertebra
Femoral nerve
Sacral plexus
Sciatic nerve
Superior and inferior
gluteal nerves
Posterior femoral
cutaneous nerve
Pudendal nerve
Coccyx
Filum terminale externum
(coccygeal ligament)
