A bezel is a narrow piece of metal used to hold a gem in place on a piece of jewelry. The bezel surrounds the gemstone all the way around. A bezel is also the part of the watch surrounding the crystal on a watch face that holds the crystal in place. Bezels may or may not be set with gems and may or may not be textured.
The lungs are surrounded by a double membrane called pleura. This membrane has two layers, a parietal pleura and a visceral pleura. The parietal pleura is attached to the chest wall and the visceral pleura covers the surface of the lungs.Between these layers of pleura is a potential space i.e. a space that doesnât exist but it could exist if something goes wrong.his membrane has two layers, a parietal pleura and a visceral pleura. The parietal pleura is attached to the chest wall and the visceral pleura covers the surface of the lungs.
Fluid on the lungs (pleural effusion). When cancer affects the lungs, fluid can sometimes collect between the sheets of tissue that cover the outside of the lung and the lining of the chest cavity. These sheets of tissue are called the pleura.You can see the pleura (in red) in the diagram below.reatment for fluid on the lung. You can have treatment to stop fluid from building up and help relieve symptoms. This treatment is called pleurodesis. It seals the space between the tissues covering the lung by using sterile talc to make them inflamed so they stick together.