心しん膜まく腔こうMeanings1nounpericardial cavitymedicineMedical term for the space between the layers of the pericardium that contains a small amount of fluid.心しん膜まく腔こうに液えき体たいがたまると心しんタンポナーデを起おこすことがある。Fluid accumulation in the pericardial cavity can cause cardiac tamponade.
