SpinalCord
2
SpinalNerveOrigin:CrossSections
Plate166
Dura mater
Arachnoid mater
Ventral root
Spinal nerve
Ventral ramus (contributes to lumbar plexus)
Dorsal ramus
Dorsal root (spinal) ganglion
Dorsal root
Filum terminale internum
*Leptomeninges
Dorsal and ventral
roots of lumbar and
sacral spinal nerves
forming cauda equina
Gray ramus
communicans
Fat in
epidural
space
Sympathetic
ganglion
Section through lumbar vertebra
Internal vertebral
(epidural) venous plexus (of Batson)
Fat in epidural space
Sympathetic ganglion
Ventral root
White and gray rami
communicantes
Spinal nerve
Ventral ramus
(intercostal nerve)
Dorsal ramus
Aorta
Dura mater
Subarachnoid space
Arachnoid mater*
Pia mater*
Recurrent
(meningeal)
branches of spinal
nerve
Pleurae
Lung
Dorsal root
(spinal) ganglion
Dorsal root
Medial branch
Lateral branch
of dorsal
ramus of
spinal nerve
Lateral horn of
gray matter of spinal cord
Body of vertebra
Section through thoracic vertebra
Denticulate ligament
