Submitted by György Chityil ... on Fri, 01/19/2018 - 18:09 Hierarchy: NounDescription: {{neuroanatomy}} An envelope of myelin that surrounds nerve fibres.Ngram: myelin sheathNgram Text: myelin sheathSource: WiktionaryIssue: 0Wiktionary tag: neuroanatomyNgram Count: 2Wikokit WikiText ID: 951848