Submitted by György Chityil ... on Fri, 01/19/2018 - 23:58 Hierarchy: NounDescription: {{biology}} A secondary fixation of a histological sample, often using osmium tetroxide to fixate lipids.Ngram: postfixationNgram Text: postfixationSource: WiktionaryIssue: 0Wiktionary tag: biologyNgram Count: 1