What best describes the nucleus pulposus?

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Multiple Choice

What best describes the nucleus pulposus?

Explanation:
The nucleus pulposus is the gelatinous center of an intervertebral disc. It’s rich in water and proteoglycans, giving it a jelly-like consistency that lets the disc absorb and evenly distribute compressive forces between vertebrae. This central core sits inside the tougher surrounding ring called the annulus fibrosus, which provides structure. It’s not bone, not cartilage itself (the surrounding ring is fibrocartilage), and not a ligament. So describing it as a gelatinous-like substance in the disc captures its true nature and function.

The nucleus pulposus is the gelatinous center of an intervertebral disc. It’s rich in water and proteoglycans, giving it a jelly-like consistency that lets the disc absorb and evenly distribute compressive forces between vertebrae. This central core sits inside the tougher surrounding ring called the annulus fibrosus, which provides structure. It’s not bone, not cartilage itself (the surrounding ring is fibrocartilage), and not a ligament. So describing it as a gelatinous-like substance in the disc captures its true nature and function.

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