Mast Cell Function (Simple Explanation)
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Mast cells are immune cells found in tissues like the skin, lungs, and gut.
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Their main job is to protect the body from germs, parasites, and injuries.
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Mast cells contain granules filled with chemicals such as histamine.
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When the body senses danger (allergens, infection, injury), mast cells release these chemicals.
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Histamine causes swelling, redness, and increased blood flow to help fight the problem.
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Mast cells help start inflammation, which is the body's early defense response.
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They also play a role in allergic reactions like hives, asthma, and anaphylaxis.
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Mast cells help the body heal wounds by sending signals to repair tissue.
Very Simple Summary
Mast cells release histamine to fight infection, cause inflammation, and protect the body — but they also cause allergies.
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