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| Nucleus pulposus |
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| Sagittal section through an intervertebral fibrocartilage and adjacent parts of two vertebræ of an advanced sheep’s embryo. (Label for Nucleus pulposus is at center right.) |
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| Stages of Spinal Disc Herniation |
| Gray's |
subject #17 82 |
Nucleus pulposus is the jelly-like substance in the middle of the spinal disc. It is the remnant of the notochord. It functions to resist compressive loads. The nucleus pulposus consists of proteoglycan and hyaluronic long chains which attract water.
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