what are mast cells and what do they do?

Asked by  | 13th Sep, 2008, 04:38: PM

Expert Answer:

They are large immune system cells, present in the tissues and blood, capable of mounting an immune response to parasite and bacterial infection. They synthesize and store histamines. lThey ine all of the surfaces of the skin, mouth, nose, sinuses, lungs and intestines. Mast cells have receptors for IgE on their cell surface, and mediate a variety of allergic and inflammatory conditions. They also play an important protective role in wound healing and defend against pathogens.

Answered by  | 13th Sep, 2008, 05:22: PM

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