Internodal segment

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Internodal segment
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Diagram of longitudinal sections of medullated nerve fibers.
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Medullated nerve fibers stained with silver nitrate.
Latin segmentum internodale
Gray's p.727
Code TH H2.00.06.2.03028

An internodal segment (or internode) is the portion of a nerve fiber between two Nodes of Ranvier. The neurolemma or primitive sheath is not interrupted at the nodes, but passes over them as a continuous membrane.

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This article incorporates text from a public domain edition of Gray's Anatomy.