Your lungs are protected by two membranes, called the pleurae. The visceral pleura covers the lungs, and the parietal pleura lines the inside of your rib cage. A small amount of space between the two ...
The pleura is a thin membrane that covers and cushions the lungs. Pleural fluid reduces friction between the lungs and chest during breathing. Pleurisy is inflammation of the pleura, often caused by ...