Internal Vertebral Venous Plexus

Spinal Nerve Origin: Cross Sections

Section through thoracic vertebra

Fat in epidural space

Sympathetic ganglion

Ventral root

White and gray rami communicantes

Spinal nerve

Ventral ramus (intercostal nerve)

Dorsal ramus

Body of vertebra

Dura mater

Arachnoid mater*

Subarachnoid space

Pia mater*

Recurrent meningeal branches of spinal nerve

Pleura

Lung

Fat in epidural space

Sympathetic ganglion

Ventral root

White and gray rami communicantes

Spinal nerve

Body of vertebra

Dura mater

Arachnoid mater*

Subarachnoid space

Pia mater*

Pleura

How Dissect Dorsal Root Ganglion

of dorsal ramus of spinal nerve

Spinal sensory (dorsal root) ganglion

Dorsal root

Lateral horn of gray matter of spinal cord

Lateral branch Medial branch

Internal vertebral (epidural) venous plexus

Dura mater

Spinal sensory (dorsal root) ganglion

Dorsal root

Lateral horn of gray matter of spinal cord

Section through lumbar vertebra

Sympathetic ganglion

Gray ramus communicans

Fat in epidural space

Dorsal and ventral roots of lumbar and sacral spinal nerves forming cauda equina

Lumbar Rami Communicantes Nerve

Lateral branch Medial branch

Internal vertebral (epidural) venous plexus

Dorsal and ventral roots of lumbar and sacral spinal nerves forming cauda equina

Dura mater

Arachnoid mater Ventral root Spinal nerve

Ventral ramus (contributes to lumbar plexus) Dorsal ramus

Spinal sensory (dorsal root) ganglion Dorsal root Conus medullaris of dorsal ramus of spinal nerve tAV eIISN

*Leptomeninges

Olfactory Nerve (I): Schema

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Responses

  • Haddas
    How to dissect dorsal root ganglion?
    8 years ago
  • ethel
    What is a rami spinal?
    7 years ago

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