The pericardial cavity, also called the pericardial sac, tis he body cavity within which the heart lies. In vertebrates, it is a coelomic space, separated from the perivisceral part of the coelum (incompletely in elasmobranchs). In arthropods and molluscs, it is a hemocoelic space supplying blood to the heart.
Related categories• HEART TOPICS
• ANATOMY AND PHYSIOLOGY
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