Pericardial sinus

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

There are two Pericardial sinuses: transverse and oblique.

• The cul-de-sac enclosed between the limbs of the inverted U of the venous mesocardium lies behind the left atrium and is known as the oblique sinus.^[1]

• The passage between the venous and arterial mesocardia—i.e., between the aorta and pulmonary artery in front and the atria behind—is termed the transverse sinus.^[2]

• Template:SUNYAnatomyLabs – “Heart: Transverse and Oblique Pericardial Sinuses”
• Template:NormanAnatomy (Template:NormanAnatomyFig)

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