Internodal segment

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Internodal segment
Diagram of longitudinal sections of medullated nerve fibers.
Medullated nerve fibers stained with silver nitrate.
Part of Axon of nerve fiber
System Nervous system
Latin segmentum internodale
TH H2.
Anatomical terms of microanatomy

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.


This article incorporates text in the public domain from page 727 of the 20th edition of Gray's Anatomy (1918)

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