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-
Cancer that forms in tissues of the nasopharynx (upper part of the throat behind the nose).
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The upper part of the throat behind the nose.
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A thin tube-like instrument used to examine the inside of the nose.
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Examination of the inside of the nose using a nasoscope (or rhinoscope).
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The National Cancer Institute, part of the National Institutes of Health of the United States Department of Health and Human Services, is the Federal Government's principal agency for cancer research.
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A federal agency that uses science to explore complementary and alternative medicine (CAM) practices, trains CAM researchers, and provides authoritative information about CAM to professionals and…
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A federal agency in the U.S.
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A study that follows a group of people over time who have, or are at risk of developing, a specific medical condition or disease.
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A type of immune cell that has granules (small particles) with enzymes that can kill tumor cells or cells infected with a virus.
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A type of leukemia in which large natural killer (NK) cells (a type of white blood cell) that contain granules (small particles) are found in the blood.
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A system of disease prevention and treatment that avoids drugs and surgery.
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A feeling of sickness or discomfort in the stomach that may come with an urge to vomit.
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A substance that is being studied for its ability to make cancer cells respond to drugs to which they have become resistant.
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A substance being studied in the treatment of cancer.
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A federal agency that uses science to explore complementary and alternative medicine (CAM) practices, trains CAM researchers, and provides authoritative information about CAM to professionals and…
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NCI, part of the National Institutes of Health of the United States Department of Health and Human Services, is the Federal Government's principal agency for cancer research.
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A substance being studied in the prevention of colorectal cancer.
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A drug put on the skin to treat growths caused by sun exposure.
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A device used to turn liquid into a fine spray.
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Surgery to remove lymph nodes and other tissues in the neck.