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Peripheral Pulp Region

From which region of the pulp would you predict this image was taken, coronal or radicular? Do the odontoblasts appear pseudo-stratified (coronal region) or simple columnar or shorter (radicular region)? Identify the cell-free and cell-rich zones, the nerve plexus and capillaries. The ground substance of the pulp contains a rich mixture of mucopolysacchar-ides, composed principally of hyaluronic acid and chondroitin sulfate. Tissue fluid of the pulp is continuous with that in the dentin where it lies between the odonto-blastic processes and the walls of the dentinal tubules.


A - odontoblast layer
B - cell-free zone
C - cell-rich zone

D - nerve pleus
E - capillary
F - dentin

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