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Nikolas

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Nikolas

Created page with "== Histamine == Histamine is a basic amine that is formed from histidine by ''histidine decarboxylase''. Mast cells, basophils, histamininergic neurons and enterochromaffin cells produce it. Mast cells are especially abundant in the respiratory tract, <abbr>GI</abbr> tract and skin. Mast cells have granules that contain histamine and other compounds. These granules are exocytosed (called degranulation) when the <abbr>IgE</abbr> molecules bound to the cell bind to an ant..."