- nodeof Ranvier
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node of Ran·vier (ränʹvyā, rän-vyāʹ, räɴ-)
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.]
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Universalium. 2010.