part of part of has part has part develops from develops from contributes to morphology of chondroitin sulfate keratan sulfate chondrocyte organ intervertebral disk nucleus pulposus http://upload.wikimedia.org/wikipedia/commons/d/d9/Cervical_vertebra_english.png The nucleus pulposus consists of chondrocytes, collagen fibrils, and proteoglycan aggrecans that have hyaluronic long chains which attract water. Attached to each hyaluronic chain are side chains of chondroitin sulfate and keratan sulfate[Wikipedia:Nucleus_pulposus] UBERON:0002242 Function noyes: It functions to distribute hydraulic pressure in all directions within each disc under compressive loads. pulpy nucleus The jelly-like substance in the middle of the spinal disc which is a remnant of the notochord. SCTID:316586000 MA:0000112 we group two FMA classes together FMA:13550 nucleus pulposus (diskus intervertebralis) nucleus pulposus of intervertebral disk nucleus propulsus Wikipedia:Nucleus_pulposus FMA:76703 BTO:0003626 nucleus propulsus of intervertebral disk EMAPA:18008 MESH:D000070614 notochord connective tissue ectoderm-derived structure collection of collagen fibrils