The pericardial sinuses are impressions in the pericardial sac formed between the points where great vessels enter it.
Pericardial sinus | |
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Posterior wall of the pericardial sac, showing the lines of reflection of the serous pericardium on the great vessels. (Transverse sinus labeled at center. Oblique sinus not labeled, but visible inferior to transverse sinus between the right and left pulmonary veins)
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Identifiers | |
TA98 | A12.1.07.001 |
TA2 | 3349 |
FMA | 77132 |
Anatomical terminology |
There are three pericardial sinuses: superior, transverse and oblique.[1]
During pericardial effusion, fluid may build up in the pericardial sinuses.[3] This may be diagnosed with transoesophageal echocardiography.[3]
This article incorporates text in the public domain from page 526 of the 20th edition of Gray's Anatomy (1918)
Anatomy of the heart
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General |
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Chambers |
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Layers |
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Blood supply |
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