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Mucous membrane

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Mucous membrane

Wikipedia articleDbpedia source

A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue, sometimes accompanied by a thin mucousal muscle layer, which separates the mucosa from the submucosa. It is mostly of endodermal origin and is continuous with the skin at various body openings such as the eyes, ears, inside the nose, inside the mouth, lip, vagina, glans penis, 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.

English Wikipedia http://en.wikipedia.org/wiki/Mucous_membrane

Spanish wikipedia http://es.wikipedia.org/wiki/Mucosa