pericardial : Idioms & Phrases
pericardial cavity
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noun the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement
pericardial cavity.
WordNet
Pericardial fluid
(Physiol.) , a serous fluid of a pale yellow color contained in the pericardium.
Webster 1913
pericardial sac
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noun the membrane surrounding the heart
WordNet
pericardial space
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noun the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement
pericardial cavity.
WordNet
pericardial vein
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noun several small veins from the pericardium
vena pericardiaca.