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pericardium → CapableOf → surround the heart	0.68
serous pericardium (subgroup of pericardium) → ReceivesAction → divided into two layers	0.68
middle mediastinum (subgroup of mediastinum) → HasA → the pericardium	0.68
pericardium → ReceivesAction → opened	0.55
pericardium → CapableOf → consist of two sacs	0.55
pericardium → CapableOf → protect the heart	0.55
pericardium → HasA → the heart	0.48
pericardium → CapableOf → consist of two layers	0.47
pericardium → IsA → the sac	0.45
pericardium → CapableOf → become stiff	0.40
pericardium → IsA → the membrane	0.40
pericardium → CapableOf → become inflamed	0.37
pericardium → ReceivesAction → removed	0.35
pericardium → ReceivesAction → incised	0.35
pericardium → IsA → fibroserous sac	0.33
pericardium → HasProperty → visible	0.33
pericardium → IsA → membranous sac	0.28
pericardium → CapableOf → give protection	0.28
pericardium → CapableOf → provide the lubrication	0.28
pericardium → ReceivesAction → thickened	0.28
pericardium → ReceivesAction → dissected	0.28
pericardium → CapableOf → become swollen	0.28
pericardium → CapableOf → prevent the heart	0.27
pericardium → ReceivesAction → entered	0.25
pericardium → CapableOf → exert 3-4 mm	0.25
pericardium → HasProperty → compliant	0.25
pericardium → ReceivesAction → expanded beyond resting dimensions	0.25
pericardium → ReceivesAction → accessed through the patient's skin	0.25
pericardium → CapableOf → relax the chest	0.25
pericardium → ReceivesAction → reconstructed with a gore-tex patch	0.25
pericardium → ReceivesAction → selected	0.25
pericardium → CapableOf → put pressure	0.16
pericardium → ReceivesAction → associated with trauma	0.16
pericardium → ReceivesAction → associated with malignant neoplastic disease	0.16
pericardium → ReceivesAction → associated with infection	0.16
pericardium → ReceivesAction → associated with uremia	0.16
pericardium → ReceivesAction → associated with myocardial infarction	0.16
pericardium → ReceivesAction → associated with collagen disease	0.16