Assertion: mediastinum's heart | /r/HasProperty | enclosed in its pericardium
Facets:
Source sentences:
text: Along with the heart enclosed in its pericardium, the great vessels like aorta, pulmonary trunk, Superior venacava, arch of azygos vein and main bronchi are also present in the middle mediastinum.
text: The left pleural cavity is similar, except that the heart, enclosed here within the pericardium, projects into it.