Nucleus pulposus
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Nucleus pulposus | |
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Cervical vertebra with intervertebral disc. (Nucleus pulposus labeled at center right, and is visible at center in light blue.) | |
Stages of Spinal Disc Herniation | |
Gray's | subject #17 82 |
Dorlands/Elsevier | p_41/12679426 |
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.