what is the name of the thin serous membrane that covers the inner layer of the thoracic wall?
Switch to new thesaurus. serosa. pleura - the thin serous membrane around the lungs and inner walls of the chest. tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants. peritoneum - a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera.