The pericardial sac contains the heart and pericardial fluid which serves to protect the heart. The fluid is secreted by the serous visceral pericardium and is similar to the cerebral spinal fluid that cushions the brain.
The pericardial sac (or pericardium) is a dual-walled sac that contains the heart and the roots of the great vessels (vena cavae, pulmonary arteries, pulmonary veins, aorta, brachiocephalic arteries and veins, carotid artery and subclavian artery).
pericardial sac
The pericardial sac.
Pericardial effusion.
No
-- The doctor
Yes, it is.
serous fluid
Pericardial fluid is a fluid that is secreted by the serous membrane on the pericardious sac on the outside of the heart.
Mediastinum, or pericardial sac
ascending aorta