node of Ranvier

[ rahn-vyey, rahn-vyey ]
/ rɑnˈvyeɪ, ˈrɑn vyeɪ /

noun Cell Biology.

a gap occurring at regular intervals between segments of myelin sheath along a nerve axon.

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Origin of node of Ranvier

1880–85; after Louis-Antoine Ranvier (1835–1922), French histologist, who described it in 1878
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for node of ranvier

node of Ranvier
/ (ˈrɑːnvɪˌeɪ) /

noun

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

Word Origin for node of Ranvier

C19: named after Louis-Antoine Ranvier (1835–1922), French histologist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012