Submitted by György Chityil ... on Fri, 01/19/2018 - 23:17 Hierarchy: NounDescription: {{biochemistry|genetics}} A key regulator of animal development present in many organisms from flies to humans.Ngram: hedgehog signalling pathwayNgram Text: hedgehog signalling pathwaySource: WiktionaryIssue: 0Wiktionary tag: biochemistrygeneticsNgram Count: 3