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KMID : 1189320090030010039
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Asian Spine Journal
2009 Volume.3 No. 1 p.39 ~ p.44
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Pathophysiology of Degenerative Disc Disease
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Choi Yong-Soo
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Abstract
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The intervertebral disc is characterized by a tension-resisting annulus fibrosus and a compression-resisting nucleus pulposus composed largely of proteoglycan. The most important function of the annulus and nucleus is to provide mechanical stability to the disc. Degenerative disc disease in the lumbar spine is a serious health problem. Although the three joint complex model of the degenerative process is widely accepted, the etiological basis of this degeneration is poorly understood. With the recent progress in molecular biology and modern biological techniques, there has been dramatic improvement in the understanding of aging and degenerative changes of the disc. Knowledge of the pathophysiology of the disc degeneration can help in the appropriate choice of treatment and to develop tissue engineering for biological restoration of degenerated discs.
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KEYWORD
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Lumbar spine, Degenerative disc, Pathophysiology
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