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From Biology-Online Dictionary | Biology-Online Dictionary
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A group of medications that are made from a chemical with a nitrogen base. Nitrates relax smooth muscle, dilate veins, lower blood pressure and improve blood flow through the coronary arteries.

Examples include: nitroglycerin, erythrityl tetranitrate, isosorbide dinitrate, isosorbide mononitrate and pentaerythritol tetranitrate.

nitrates are minerals needed by plants, to produce protein in order for the plant to grow. Nitrates may be obtained by the plant via the root Hair cells on roots by active uptake/transport.