Submitted by György Chityil ... on Fri, 01/19/2018 - 23:58 Hierarchy: NounDescription: {{biochemistry}} The precursor of collagen; it is formed in fibroblasts and converted to collagen by a peptidaseNgram: procollagenNgram Text: procollagenSource: WiktionaryIssue: 0Wiktionary tag: biochemistryNgram Count: 1