oblique sinus of pericardium

Introduction

A wide pocket like recess in the pericardial cavity, posterior to the base of the heart.

Boundaries:

• superiorly & laterally by the pericardial reflections surrounding the pulmonary veins & the superior & inferior vena cavae
• posteriorly by the parietal layer of serous pericardium lining the fibrous pericardium
• anteriorly by the visceral layer of serous pericardium covering the left atrium

More general terms

• heart structure
• sinus

Additional terms

• layers of pericardium
• transverse sinus of pericardium (Theile canal)

Component of

• pericardium