Glossary index
Medical terms A–Z
Browse medical definitions and meanings in the complete glossary, or choose a letter to narrow the list.
All terms
5,591 results-
A rare type of cancer that usually begins in the salivary glands.
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A tumor that is not cancer.
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Large or swollen lymph glands.
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A tumor that is a mixture of an adenoma (a tumor that starts in the gland-like cells of epithelial tissue) and a sarcoma (a tumor that starts in bone, cartilage, fat, muscle, blood vessels, or other…
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A substance present in all living cells that provides energy for many metabolic processes and is involved in making RNA.
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A disease or abnormal change in a gland.
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A type of cancer that contains two types of cells: squamous cells (thin, flat cells that line certain organs) and gland-like cells.
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A member of a family of viruses that can cause infections in the respiratory tract, eye, and gastrointestinal tract.
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A benign (not cancer) condition in which there are more cells than normal in the lining of breast ducts and the cells look abnormal under a microscope.
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A substance being studied in the treatment of melanoma, liver cancer, and other types of cancer.
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In cancer therapy, a drug or substance used in addition to the primary therapy.
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Another treatment used together with the primary treatment.
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Another treatment used together with the primary treatment.
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A condition in which a person responds to a stressful event (such as an illness, job loss, or divorce) with extreme emotions and actions that cause problems at work and home.
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Additional cancer treatment given after the primary treatment to lower the risk that the cancer will come back.
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Activities of daily living.
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In medicine, the act of giving a treatment, such as a drug, to a patient.
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A lump in tissue near the uterus, usually in the ovary or fallopian tube.
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A treatment used to help the immune system fight diseases, such as cancer and infections with certain viruses.
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Cancer that forms in the tissues of the adrenal glands (two glands located just above the kidneys).