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glossary:mucous_membranes [2012/10/16 14:40] (current)
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|+||(1) The moist inner surface that lines the mouth, nasal sinuses, stomach, intestines and many other parts of the body. It secretes mucous which acts as a protective barrier and lubricant, as well as a medium for carrying [[enzyme]]s.|
|+||(2) Any [[tissue]] lining body cavities and canals which come in contact with the air, and kept moist by secretions of various types of glands (eg, inside the mouth).|
|+||(3) Any of the membranes lining the passages of the body, such as the respiratory and digestive tracts, that open to the outside. [[Cell]]s in the mucous membranes secrete mucus, which lubricates the [[membrane]]s and protects against [[infection]].|