Submitted by György Chityil ... on Sat, 01/20/2018 - 01:10 Hierarchy: NounDescription: {{biology}} A structural fibril of tonofilaments found in the cytoplasm of epithelial cellsNgram: tonofibrilNgram Text: tonofibrilSource: WiktionaryIssue: 0Wiktionary tag: biologyNgram Count: 1