PERICARDIUM
Pericardium
The pericardium is a double-walled sac containing the heart and the roots of the great vessels.The above text is a snippet from Wikipedia: Pericardium
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pericardium
Noun
- A serous membrane that surrounds the heart allowing it to contract.
The above text is a snippet from Wiktionary: pericardium
and as such is available under the Creative Commons Attribution/Share-Alike License.