👉 In medicine, the pleuroperitoneum is a special area within the abdomen that contains fluid and tissues related to the peritoneum. It's like a small pocket in the abdominal wall where some fluids and other substances are stored. The pleuroperitoneum can be divided into two parts: the outermost part called the pleural cavity, which is filled with air, and the innermost part known as the pleura, which contains fluid. The pleura also helps to cushion the
