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Elsewhere on the web
We talk about the anatomy of the pericardium, the role it plays in the body, and the medical questions still unanswered with this rare form of mesothelioma.— Blogger News Network
It is inclosed in a sac, the pericardium, which is composed of a dense fibrous membrane lined by a delicate serous membrane, which is reflected over the heart; the inner layer is firmly adherent to the heart, the outer to the fibrous sac, and there is an intervening space, known as the pericardial space, in which a small amount of serum--a thin translucent liquid--is present constantly The heart is divided by a shallow fissure into a right and left side; each of these is again subdivided by a transverse partition into two compartments which communicate.— Special Report on Diseases of the Horse
This appearance may be noticed beneath the pericardium, and pervading the whole thickness of the ventricular walls, and in extreme cases those of the fleshy columns in the interior of the heart.— Special Report on Diseases of the Horse
The pericardium is the membrane which surrounds the heart 3.— Orthography As Outlined in the State Course of Study for Illinois

American Heritage Dictionary (1)
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