Pericardium
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The pericardium, also called pericardial sac, is a double-walled fluid filled sac containing the heart and the roots of the great vessels. It has two layers, an outer layer made of strong inelastic co
Illustration of the pericardial sac and the sac when inflamed
Fibrous pericardium
Cytology of the normal mesothelial cells that line the pericardium, with typical features. Wright's stain.
Heart
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The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels. The heart and blood vessels together make up the circulatory system. The pumped blood
Pericardium
…The pericardium (pl. pericardia), also called pericardial sac, is a double-walled fluid filled sac containing the heart and the roots of the great vessels. It has two layers, an outer layer made of strong inelastic connective tissue (fibrous pericardium), and an double…
Heart being dissected showing right and left ventricles, from above
With the atria and major vessels removed, all four valves are clearly visible.
Frontal section showing papillary muscles attached to the tricuspid valve on the right and to the mitral valve on the left via chordae tendineae.
Layers of the heart wall, including visceral and parietal pericardium