The fibrous pericardium
is the most superficial layer of the pericardium
. It is a dense connective tissue
, protecting the heart, anchoring it to the surrounding walls, and preventing it from overfilling with blood
. It is continuous with the outer adventitial layer
of the neighboring great blood vessels
- - "Chest X-ray showing pericardium, posteroanterior view"
- - "MRI of chest, lateral view"