node of Ranvier

Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to node of Ranvier: action potential, axon, myelin sheath, synapse

node of Ran·vier

 (rän′vyā, rän-vyā′, räN-)
n. pl. nodes of Ranvier
A constriction in the myelin sheath, occurring at varying intervals along the length of a nerve fiber.

[After Louis Antoine Ranvier (1835-1922), French histologist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

node of Ranvier

(Anatomy) any of the gaps that occur at regular intervals along the length of the sheath of a myelinated nerve fibre, at which the axon is exposed
[C19: named after Louis-Antoine Ranvier (1835–1922), French histologist]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

node′ of Ran•vier′

(rɑnˈvyeɪ, ˈrɑn vyeɪ)

a gap occurring at regular intervals between segments of myelin sheath along a nerve axon.
[after Louis-Antoine Ranvier (1835–1922), French histologist]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Rubinstein, "Threshold fluctuations in an N sodium channel model of the node of Ranvier," Biophysical Journal, vol.
Caspr is specifically expressed in Ranvier-node structure and is a useful marker to identify the node of Ranvier structures in peripheral nerves.
(1976) Intramembranous particle distribution at the node of Ranvier and adjacent axolemma in myelinated axons of the frog brain.