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Medical Definition of Pleuropericardial hiatus
1. An opening connecting the pleural and pericardial cavities; usually the result of incomplete development of the pleuropericardial fold of the embryo. (05 Mar 2000)
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1. An opening connecting the pleural and pericardial cavities; usually the result of incomplete development of the pleuropericardial fold of the embryo. (05 Mar 2000)