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Raschkow plexus

Pronunciation: rahsh'kof

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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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.