Assertion: mediastinum's heart | /r/HasProperty | great vessels
Facets:
Source sentences:
text: Heart, great vessels, phrenic nerve, roots of the lungs
text: When the visceral layer of serous pericardium comes into contact with heart (not the great vessels) it is known as the epicardium.
text: When the visceral layer of serous pericardium comes into contact with heart (not the great vessels) it is known as the epicardium.