Also called the pericardial sac, the body cavity within which the heart lies. In vertebrates, it is a coelemic 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
Home • About • Copyright © The Worlds of David Darling • Encyclopedia of Alternative Energy • Contact