The battle then goes into full gear. These substances in turn alter and strengthen the surrounding macrophages, enhancing their ability to unleash a biochemical attack to kill the microorganism. Granulocytes are white blood cells that contain granules filled with potent chemicals that allow them to destroy the enemy. Some of these chemicals such as histamine also contribute to inflammation and allergy. Neutrophiles are summoned to sites of inflammation and infection.
Eosinophils congregate particularly at sites of allergic and parasitic reactions.
They release enzymes to relieve the biochemical cause of allergy attacks. Basophils are found throughout the blood stream and at sites of inflammation. Mast Cells are a twin of the basophil, except they are not a blood circulating cell. They are found in the lungs, skin, tongue, and linings of the nose and intestinal tract. They play an important role in the symptoms of allergy.