Researchers review recent scientific literature about the effects of particle contaminants on the mucosal system, an internal membrane that serves as the body's lubricant and the first line of defense ...

Painful inflammatory lesions of the skin and mucous membranes may occur in children who develop bacterial pneumonia. A research group at the University Children's Hospital Zurich has recently ...

Phlegm is a form of respiratory mucus produced by the lungs. The airways between the larynx and the respiratory bronchioles are lined by columnar epithelium over which an airway surface liquid (ASL) ...

Dry sinuses occur when the mucous membranes in your sinuses lack proper moisture. This can lead to dry nasal passages, discomfort, nosebleeds, and similar unpleasant symptoms. In severe cases, ...