pleural cavity defined in 1951 yearpleural cavity - pleural cavity (pleural sag);
pleural cavity - Coelomic space surrounding lung in mammal, separated from rest of perivisceral coelom by diaphragm. There is a pair of pleural sacs separated from each other by mediastinum and pericardial sac. Actual space of sac is normally a thin layer of fluid between pleura of lungs and body-wall, which are almost in contact.
near pleural cavity in Knolik
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