Where is the nucleus pulposus located within the intervertebral disc?

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Multiple Choice

Where is the nucleus pulposus located within the intervertebral disc?

The nucleus pulposus is the gelatinous center of the intervertebral disc, located in the central region and surrounded by the tougher annulus fibrosus. This central position lets it evenly distribute compressive loads across the endplates when the spine bears weight, while the annulus fibrosus forms a robust ring that contains the nucleus and resists twisting and edge bulging. That’s why it isn’t at the posterior or anterior margins—the center is where it can best cushion and transfer loads.

The nucleus pulposus is the gelatinous center of the intervertebral disc, located in the central region and surrounded by the tougher annulus fibrosus. This central position lets it evenly distribute compressive loads across the endplates when the spine bears weight, while the annulus fibrosus forms a robust ring that contains the nucleus and resists twisting and edge bulging. That’s why it isn’t at the posterior or anterior margins—the center is where it can best cushion and transfer loads.

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