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Elastic fibers in human intervertebral discs.
The Journal of Bone and Joint Surgery. American Volume
|January 1, 1976
Summary
Elastic fibers, previously undetected in human intervertebral discs, were identified using electron microscopy in both the annulus fibrosus and nucleus pulposus. Further research is needed to understand their role in disc mechanics.
Area of Science:
- Biomedical Engineering
- Spinal Anatomy
- Tissue Microscopy
Background:
- Previous research has not identified elastic fibers within human intervertebral discs.
- The structural components of intervertebral discs are crucial for spinal function.
Purpose of the Study:
- To investigate the presence of elastic fibers in human intervertebral discs.
- To characterize the location of any identified elastic fibers within disc structures.
Main Methods:
- Electron microscopy was utilized for high-resolution imaging.
- Human intervertebral disc samples were obtained from both autopsy and surgical cases (n=20).
Main Results:
- Characteristic elastic fibers were observed in the annulus fibrosus.
- Elastic fibers were also identified within the nucleus pulposus.
Conclusions:
- This study provides evidence for the existence of elastic fibers in human intervertebral discs.
- The functional significance of these elastic fibers in disc biomechanics requires further investigation.