what is pleurisy lungs
About Pleurisy. Pleurisy (PLUR-ih-se) is a condition in which the pleura is inflamed. The pleura is a membrane that consists of two large, thin layers of tissue. One layer wraps around the outside of your lungs. The other layer lines the inside of your chest cavity.Between the layers of tissue is a very thin space called the pleural space.he pleura is a membrane that consists of two large, thin layers of tissue. One layer wraps around the outside of your lungs. The other layer lines the inside of your chest cavity. Between the layers of tissue is a very thin space called the pleural space.