这个词是什么意思？
Fluid accumulation within the PERICARDIUM. Serous effusions are associated with pericardial diseases. Hemopericardium is associated with trauma. Lipid-containing effusion (chylopericardium) results from leakage of THORACIC DUCT. Severe cases can lead to CARDIAC TAMPONADE.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D010490 · MeSH 2026。
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