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Mast Cells

By , About.com Guide

Updated March 15, 2012

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Definition:

Mast cells are cells found throughout the body as part of our immune system. Mast cells appear to induce a rapid inflammatory response to outside invaders, such as germs and viruses. Mast cells play a large role in allergic responses, as they release the chemical known as histamine.

For further information on the role of mast cells in irritable bowel syndrome (IBS), see:

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