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Intervertebral Discs 3D

  • Description
    • * Are crucial fibrocartilaginous structures within the spinal column that provide flexibility and absorb shock between adjacent vertebral bodies.
    • * Each intervertebral disc is composed of two main components, the outer annulus fibrosus, and the inner nucleus pulposus.
    • * Are generally avascular structures, with blood vessels and nerves mostly located in the outermost layers of the annulus fibrosus and adjacent vertebral bodies. This avascular nature limits the ability of the nucleus pulposus to regenerate or heal after injury.

 

  • Annulus Fibrosus
    • * Consists of concentric layers of fibrous tissue, predominantly composed of collagen fibers that encircle the nucleus pulposus.
    • * These layers alternate in direction, offering the disc strength and stability while enabling flexibility and movement.
    • * The outermost layer of the annulus fibrosus attaches to the vertebral bodies above and below the disc, while the innermost layer attaches to the nucleus pulposus.

 

 

  • Nucleus Pulposus​​​​​​​
    • * Is a gel-like substance located in the center of the intervertebral disc.
    • * Is primarily composed of water, proteoglycans, and type II collagen fibers that provide it with compressibility and elasticity.
    • * The annulus fibrosus surrounds the nucleus pulposus, helping to keep it within the disc and distribute pressure evenly during movement.

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  • Description
    • * Are crucial fibrocartilaginous structures within the spinal column that provide flexibility and absorb shock between adjacent vertebral bodies.
    • * Each intervertebral disc is composed of two main components, the outer annulus fibrosus, and the inner nucleus pulposus.
    • * Are generally avascular structures, with blood vessels and nerves mostly located in the outermost layers of the annulus fibrosus and adjacent vertebral bodies. This avascular nature limits the ability of the nucleus pulposus to regenerate or heal after injury.

 

  • Annulus Fibrosus
    • * Consists of concentric layers of fibrous tissue, predominantly composed of collagen fibers that encircle the nucleus pulposus.
    • * These layers alternate in direction, offering the disc strength and stability while enabling flexibility and movement.
    • * The outermost layer of the annulus fibrosus attaches to the vertebral bodies above and below the disc, while the innermost layer attaches to the nucleus pulposus.

 

 

  • Nucleus Pulposus​​​​​​​
    • * Is a gel-like substance located in the center of the intervertebral disc.
    • * Is primarily composed of water, proteoglycans, and type II collagen fibers that provide it with compressibility and elasticity.
    • * The annulus fibrosus surrounds the nucleus pulposus, helping to keep it within the disc and distribute pressure evenly during movement.

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