Definition: a plexus of myelinated nerve fibers located between the core of the pulp of the tooth and the cell-rich zone; axons of Raschkow plexus lose their myeline sheath (but not their Schwann cells) as they penetrate the cell-rich and cell-free zones to make synaptic contact with the odontoblast cell body in the pulp or odontoblastic process within the dentinal tubule; Raschkow plexus is responsible for transmitting pain sensation from the pulp of the tooth.
Synonym(s): parietal layer of nerves
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