Assertion: serous pericardium | /r/MadeOf | two layers
Facets:
Source sentences:
text: It contains two layers, both of which function in lubricating the heart to prevent friction from occurring during heart activity: ⁕The layer adherent to the fibrous pericardium is the parietal layer.
text: It contains two layers, both of which function in lubricating the heart to prevent friction from occurring during heart activity: