[[Serös/en|Serous]]es [[Sekret/en|secretion]] from [[Drüse/en|gland]]n in the [[Herzbeutel/en|pericardium]], which allows the displacement relative to the [[Epikard/en|epicardium]] in this [[sliding gap] against each other.
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[[Serös/en|Serous]] [[Sekret/en|secretion]] from [[Drüse/en|glands]] in the [[Herzbeutel/en|pericardium]], which allows the movement relative to the [[Epikard/en|epicardium]] in this [[sliding gap] against each other.
