Squamous metaplasia

Squamous metaplasia refers to benign(non-cancerous) changes in the epitheliallinings of certain organswithin the body. These cells assume a more squamousmorphology. Common sites for squamous metaplasia include the bladderand cervix. Smokers often exhibit squamous metaplasia in the linings of their airways. These changes don't signify a specific disease, but rather usually represent the body's response to stress or irritation.

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It uses material from the http://en.wikipedia.org/wiki/Squamous+metaplasia Wikipedia article Squamous metaplasia.