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Herniated Intervertebral Disc l: Introduction

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...

Degenerative Disc Disease I: Introduction

Degenerative Disc Disease I: Introduction

Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...

Degenerative Disc Disease ll: Pathophysiology

Degenerative Disc Disease ll: Pathophysiology

The symptoms of degenerative disc disease arise from a combination of mechanical compression, vascular compromise, and biochemical inflammation, which together disrupt nerve function and produce pain.Mechanical CompressionDisc degeneration reduces height and elasticity, predisposing to herniation of the nucleus pulposus, a major cause of radicular pain. Herniations may be protrusion (bulging with intact annulus), extrusion (nucleus extends beyond disc but remains connected), or sequestration...

Structural Joints: Cartilaginous Joints

Structural Joints: Cartilaginous Joints

As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary or...

General Structure of a Vertebra

General Structure of a Vertebra

A typical vertebra, with the exception of the sacrum and coccyx, consists of a body, a vertebral arch, and seven different projections termed processes. The anterior portion of the vertebrae, the body, supports about half the body’s weight. The vertebral bodies progressively increase in size and thickness from the cervical region to the lumbar region of the vertebral column. The intervertebral discs present between the bodies of adjacent vertebrae firmly unites them, forming a continuous column.

Spinal Cord: Gross Anatomy

Spinal Cord: Gross Anatomy

The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...

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Related Experiment Video

Updated: Jun 16, 2026

Optical Sectioning and Visualization of the Intervertebral Disc from Embryonic Development to Degeneration

Optical Sectioning and Visualization of the Intervertebral Disc from Embryonic Development to Degeneration

Published on: July 8, 2021

[The spinal intervertebral disc].

¹Spine Center, Schulthess Klinik, Lengghalde 2, 8008, Zürich, Schweiz. dieter.grob@kws.ch

|February 11, 2010

Summary

This summary is machine-generated.

Degenerative disc disease can cause spinal pain and neurocompression, often requiring surgery like fusion or disc replacement. Accurate diagnosis is key for successful cervical spine surgery outcomes.

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Last Updated: Jun 16, 2026

Optical Sectioning and Visualization of the Intervertebral Disc from Embryonic Development to Degeneration

Optical Sectioning and Visualization of the Intervertebral Disc from Embryonic Development to Degeneration

Published on: July 8, 2021

An In Vitro Organ Culture Model of the Murine Intervertebral Disc

An In Vitro Organ Culture Model of the Murine Intervertebral Disc

Published on: April 11, 2017

Ovine Lumbar Intervertebral Disc Degeneration Model Utilizing a Lateral Retroperitoneal Drill Bit Injury

Ovine Lumbar Intervertebral Disc Degeneration Model Utilizing a Lateral Retroperitoneal Drill Bit Injury

Published on: May 25, 2017

Area of Science:

Spine surgery
Orthopedics
Neurosurgery

Context:

Degenerative changes in spinal intervertebral discs can lead to neurocompression and axial pain.
Current diagnostic methods for identifying painful spinal segments, such as imaging, may lack sufficient detail, necessitating invasive procedures like joint infiltration or discography.
Surgical options for spinal disc issues include decompression, fusion, and disc replacement.

Purpose:

To review the surgical interventions for degenerative spinal disc disease.
To highlight the importance of accurate diagnosis in managing axial spinal pain.
To discuss various surgical techniques and their expected outcomes in cervical spine surgery.

Summary:

Surgical interventions for degenerative disc disease aim to alleviate neurocompression and pain.
Accurate diagnosis of the painful spinal segment is crucial, sometimes requiring invasive methods.
Techniques include decompression, fusion (using cages or grafts), and disc replacement.
Successful outcomes in cervical spine surgery depend on correct indication and appropriate surgical technique.

Impact:

Improved patient outcomes through precise surgical interventions for degenerative disc disease.
Enhanced understanding of diagnostic challenges and surgical solutions for spinal pain.
Advancement of treatment strategies for neurocompression and axial pain originating from the cervical spine.