Glossary index
Medical terms beginning with N
Browse medical definitions and meanings in the complete glossary, or choose a letter to narrow the list.
N terms
187 results-
A drug usually used to reduce the thickness of mucus and ease its removal.
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A drug usually used to reduce the thickness of mucus and ease its removal.
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A substance that is being studied as an anticancer drug in the treatment of non-small cell lung cancer.
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A substance that is being studied in the treatment of leukemia.
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A substance that is used in cancer research to cause bladder tumors in laboratory animals.
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Chemical abbreviation for sodium chloride (table salt).
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A substance that is being studied as a treatment for constipation caused by narcotic medications.
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A drug that blocks the action of opiates (drugs used to treat pain).
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A measure of weight.
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A measure of length in the metric system.
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The amount of a substance equal to a billionth of a mole (a measure of the amount of a substance).
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A particle of that is smaller than 100 nanometers (one-billionth of a meter).
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A drug used to treat breast cancer that has spread or that has come back within 6 months after chemotherapy.
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A device that uses x-rays instead of visible light to form images of very small structures, such as the insides of blood vessels and cells.
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The field of research that deals with the engineering and creation of things from materials that are less than 100 nanometers (one-billionth of a meter) in size, especially single atoms or molecules.
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A substance used to treat moderate to severe pain.
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By or having to do with the nose.
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Describes the passage from the nose to the stomach.
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A tube that is inserted through the nose, down the throat and esophagus, and into the stomach.
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A drug that is used in a cream to treat certain skin conditions and in a nasal spray to treat sinus problems caused by allergies.