pericardium
nounmasculinetécnico/pɨ.ɾi.ˈkaɾ.dju/low
pe·ri·cár·dio
Definition
The double-layered serous membrane that surrounds the heart and the roots of the great blood vessels.
Fluid can accumulate in the pericardium, causing a condition called pericardial effusion.
The pericardium protects the heart and anchors it within the chest.
Common collocations
pericardial effusionpericardial sacpericardial membrane
Etymology
Do grego 'perikárdion', de 'peri-' (em volta) + 'kardía' (coração).