Spinal cord

Name: Spinal cord
Published: 2022-10-26T00:00:00+00:00

Last edited and medically reviewed by Alaric Steinmetz on 10.08.2024

Synonyms: Medulla spinalis, Medulla dorsalis

The spinal cord is the part of the central nervous system that runs within the spinal canal and, like the brain, is surrounded by meningeal coverings. Essential components of the peripheral nervous system are connected to the spinal cord via the spinal nerves.

Anatomy

Spinal cord: schematic illustration — Overview of the major ascending and descending tracts of the spinal cord. Figure adapted from Wikimedia.

Surgical safe entry zones to the spinal cord

Safe Entry Zone Midline — Safe Entry Zone for intramedullary lesions via the midline. Figure adapted from Color Atlas of Brainstem Surgery by Robert Spetzler 2017.

Safe Entry Zone Lateral — Safe Entry Zone for intramedullary lesions from the lateral aspect. Figure adapted from Color Atlas of Brainstem Surgery by Robert Spetzler 2017.

Safe Entry Zone Dorsal Root — Dorsal Root Safe Entry Zone for intramedullary lesions. Figure adapted from Color Atlas of Brainstem Surgery by Robert Spetzler 2017.

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