Nerves of the Back

Overview

The spinal cord is the central neural axis connecting the brain to the peripheral nervous system. This section introduces its structural organisation, segmental arrangement and role in sensory and motor transmission.

Key Structures

Content covers the internal structure of the spinal cord, including grey matter, white matter tracts and segmental organisation. The section also outlines major ascending and descending pathways relevant to back and limb function.

Clinical Relevance and Learning Focus

Understanding spinal cord anatomy is essential for lesion localisation, neurological examination and interpreting spinal imaging. This knowledge underpins assessment of trauma, compressive syndromes and systemic neurological conditions.

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The Spinal Cord

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Diagram of the dorsal column medial lemniscal pathway, illustrating its role in transmitting proprioception, fine touch, and vibration sensations.
Pathways in the Central Nervous System

The Ascending Tracts

by Dr Oliver Jones

Illustration of intraperitoneal and retroperitoneal organs for anatomical reference.
Areas of the Abdomen

The Peritoneum

by Katie O'Neill

Encyclopaedia

Internal Oblique

by Aren Mnatzakanian