Submitted by György Chityil ... on Fri, 01/19/2018 - 23:26 Hierarchy: NounDescription: {{cytology}} An abnormal chromosome in which one arm has been lost and replaced with an exact copy of the other arm.Ngram: isochromosomeNgram Text: isochromosomeSource: WiktionaryIssue: 0Wiktionary tag: cytologyNgram Count: 1