| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | epicardium | medical field | The epicardium is the outer layer of the heart, consisting of connective tissue and fat, and plays a role in protecting and lubricating the heart. | 1 |
| 2 | epicardium | medical field | The epicardium is the outer layer of the heart wall, providing a protective barrier and a source of blood and nutrients for the heart. | 1 |