/ Thesaurus / R Synonyms of ranvier's nodes Find synonyms for: Noun1. Ranvier's nodes, nodes of Ranvier, opening, gapusage: small gaps in the myelin sheath of medullated axonsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language