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Medical Term:

oblique pericardial sinus

 

Definition: 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 esophagus.

Synonym(s): sinus obliquus pericardiiTA, oblique sinus of pericardium

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