| oblique sinus of pericardium | The recess in the pericardial cavity posterior to the base of the heart bounded laterally by the pericardial reflections on the pulmonary veins and inferior vena cava, and posteriorly by the pericardium overlying the anterior aspect of the oesophagus. Synonym: sinus obliquus pericardii, oblique sinus of pericardium. (05 Mar 2000) |
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| empyema of the pericardium | An accumulation of pus in the pericardial sac. Synonym: empyema of the pericardium. (05 Mar 2000) |
| transverse sinus of pericardium | transverse pericardial sinus |
| fibrous pericardium | See: pericardium. Synonym: pericardium fibrosum. (05 Mar 2000) |