1 Purulent discharge and Purulent, sticky discharge (2 causes). 2  Purulent discharge and Sensory symptoms (2 causes). 3  Purulent discharge and Skin symptoms (2 causes). 4  Purulent discharge and Temperature symptoms (2 causes). 5  Purulent discharge and Areolar lesions (1 cause). 6  Purulent discharge and Arm symptoms (1 cause).
Membranes. 1  Mucous membranes line cavities that open to the outside of the body (digestive, respiratory, excretory, and reproductive tracts). 2  They contain glands and secrete mucus. 3  Serous membranes line trunk cavities that do not open to the outside of the body (pleural, pericardial, and peritoneal cavities).
It is of ectodermal origin and is continuous with the skin at various body openings such as the eyes, ears, nose and mouth, the urethral opening and the anus. Some mucous membranes secrete mucus, a thick protective fluid. The function of the membrane is to stop pathogens and dirt from entering the body and to prevent bodily tissues from becoming dehydrated.