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).
Layers of the Stomach. Stomach has gastric pits, which has gastric glands that secrete acids. The mucosa forms folds called rugae that look like wrinkles and flatten as your stomach gets full. Here's more about the layers of the stomach. 1. Mucosa. This is the innermost layer of the stomach.