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glossary:mast_cell [2012/10/16 14:40] (current)
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|+||A connective [[tissue]] [[cell ]] whose normal function is unknown but which is frequently injured in allergic reactions, releasing chemicals including [[histamine]] that are very irritating and cause itching, [[swelling]], and fluid leakage from cells. These allergic chemicals may also cause muscle spasm and lead to lung and throat tightening, as in asthma. Also known as a mastocyte or labrocyte.|