WordNet
pleural space
n. the small potential space between the parietal and visceral layers of the pleura
Usage examples of "pleural space".
The air builds up in the pleural space and begins pressing on the lung.
Van Duyn knew that wound was killing his countryman quickly, filling the pleural space with blood and pressure that had probably started a mediastinal shift, pushing toward the uninjured side, straining the heart and placing even greater demands on the overworked right lung.