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Updated: May 12, 2026

Optical Sectioning and Visualization of the Intervertebral Disc from Embryonic Development to Degeneration
Published on: July 8, 2021
[Innervation of the intervertebral disc].
José García-Cosamalón1, Javier Fernández-Fernández, Emilio González-Martínez
1Servicio de Neurocirugía, Complejo Asistencial Universitario de León, León, España.
Intervertebral disc innervation, once debated, is now understood thanks to new techniques. Pathologic nerve growth in disc fissures significantly contributes to discogenic back pain.
Area of Science:
- Neuroscience
- Anatomy
- Pain Research
Context:
- Intervertebral disc innervation was historically debated.
- Recent advancements in immunohistochemistry and nerve tracing have clarified disc innervation patterns.
Purpose:
- To understand the role of intervertebral disc innervation in physiological and pathological states.
- To investigate the structural basis of discogenic pain.
Summary:
- Modern techniques reveal detailed characteristics and distribution of nerve endings in intervertebral discs.
- Pathologic neoinnervation associated with radial fissures is a key factor in discogenic pain genesis.
- This occurs within a complex interplay of neurobiochemical, inflammatory, and biomechanical factors.
Impact:
- Provides a clearer understanding of the mechanisms underlying discogenic back pain.
- Highlights the significance of neoinnervation in spinal pathology.
- Informs future research directions for managing back pain.
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