The outer fibrous ring of the intervertebral disc is called what?

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Multiple Choice

The outer fibrous ring of the intervertebral disc is called what?

The outer fibrous ring is the annulus fibrosus. It consists of multiple concentric lamellae of collagen fibers that encircle the gel-like nucleus pulposus, providing containment and resisting tensile and shear stresses during bending and twisting. The nucleus pulposus sits at the center to distribute pressure, while the endplates form the nutrient-rich interfaces with the vertebral bodies, and the ligamentum flavum is the elastic posterior ligament, not part of the disc.

The outer fibrous ring is the annulus fibrosus. It consists of multiple concentric lamellae of collagen fibers that encircle the gel-like nucleus pulposus, providing containment and resisting tensile and shear stresses during bending and twisting. The nucleus pulposus sits at the center to distribute pressure, while the endplates form the nutrient-rich interfaces with the vertebral bodies, and the ligamentum flavum is the elastic posterior ligament, not part of the disc.

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