Assertion: pericardium | /r/MadeOf | two layers
Facets:
Source sentences:
text: The pericardium consists of two layers, an outer fibrous layer and the inner serous layer.
text: Pericardium consists of two layers: the fibrous and the serous pericardium.
text: The pericardium consists of two layers, an outer fibrous layer and the inner serous layer.
text: It consists of two layers: an external, parietal layer—the pericardium proper—and an internal, visceral layer—the epicardium.