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Glossary

Showing 1061-1070 out of 1196 Terms

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  • Staging system

    (STAY-jing SIS-tem)

    A system that is used to describe the extent of cancer in the body. Staging is usually based on the size of the tumor and whether the cancer has spread from where it started to nearby areas, lymph nodes, or other parts of the body.

  • Standard medical care

    (STAN-durd MEH-dih-kul kayr)

    Treatment that is accepted by medical experts as a proper treatment for a certain type of disease and that is widely used by healthcare professionals. Also called best practice, standard of care, and standard therapy.

  • Standard therapies

    (STAN-durd THAYR-uh-pees)

    Treatment that is accepted by medical experts as a proper treatment for a certain type of disease and that is widely used by healthcare professionals. Also called best practice, standard medical care, and standard of care.

  • Stem cell

    stem sel

    A cell from which other types of cells develop. For example, blood cells develop from blood-forming stem cells.

  • Stem cell rescue

    (stem sel REH-skyoo)

    A method of replacing blood-forming stem cells that were destroyed by treatment with high doses of anticancer drugs or radiation therapy.

  • Stem cell transplant

    (stem sel TRANZ-plant)

    A procedure in which a patient receives healthy blood-forming cells (stem cells) to replace their own that have been destroyed by disease or by the radiation or high doses of anticancer drugs that are given as part of the procedure. The healthy stem cells may come from the blood or bone marrow of the patient, from a donor, or from the umbilical cord blood of a newborn baby. A stem cell transplant may be autologous (using a patient’s own stem cells that were collected and saved before treatment), allogeneic (using stem cells donated by someone who is not an identical twin), or syngeneic (using stem cells donated by an identical twin).

  • Stem cells

    stem sels

    Cells from which other types of cells develop. For example, blood cells develop from blood-forming stem cells.

  • Steroid

    (STAYR-oyd)

    Any of a group of lipids (fats) that have a certain chemical structure. Steroids occur naturally in plants and animals or they may be made in the laboratory. Examples of steroids include sex hormones, cholesterol, bile acids, and some drugs.

  • Steroids

    (STAYR-oyd)

    Treatment with corticosteroid drugs to reduce swelling, pain, and other symptoms of inflammation.

  • Stomach

    (STUH-muk)

    An organ that is part of the digestive system. The stomach helps digest food by mixing it with digestive juices and churning it into a thin liquid.