Submitted by György Chityil ... on Fri, 01/19/2018 - 18:05 Hierarchy: NounDescription: {{anatomy|cardiology}} A thin serous membrane that lines the interior of the heart.Ngram: endocardiumNgram Text: endocardiumSource: WiktionaryIssue: 0Wiktionary tag: cardiologyNgram Count: 1Wikokit WikiText ID: 584173