epicardium
epi·car·dium
noun
1.
the innermost of the two layers of the pericardium
Origin
New Latin, from Latin epi- (“over”) + Ancient Greek καρδία (kardía, “heart”). Attested in English from the 19th century.
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Broader terms
Parts
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.