Submitted by György Chityil ... on Fri, 01/19/2018 - 18:00 Hierarchy: NounDescription: {{anatomy|cardiology}} The middle of the three layers forming the wall of the heart.Ngram: myocardiumNgram Text: myocardiumSource: WiktionaryIssue: 0Wiktionary tag: cardiologyNgram Count: 1Wikokit WikiText ID: 952277