The active ingredient in a drug used to lessen the toxic effects of substances that block the action of folic acid, especially the anticancer drug methotrexate. … [Read more...]
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legal aid organization
A group or agency that gives legal help to people with low incomes. Health legal aid workers help people with issues related to getting good healthcare, and … [Read more...]
laboratory test
A medical procedure that involves testing a sample of blood, urine, or other substance from the body. Tests can help determine a diagnosis, plan treatment, … [Read more...]
laboratory study
Research done in a laboratory. A laboratory study may use special equipment and cells or animals to find out if a drug, procedure, or … [Read more...]
L-norgestrel
A form of the hormone progesterone that is made in the laboratory and used to prevent pregnancy. It is being studied in the prevention of ovarian and … [Read more...]
Krukenberg tumor
A tumor in the ovary caused by the spread of stomach cancer. … [Read more...]
Korean acupuncture
A type of acupuncture based on a form of Oriental medicine in which treatment is based on a person … [Read more...]
Klatskin tumor
Cancer that develops in cells that line the bile ducts in the liver, where the right and left ducts meet. It is a type of cholangiocarcinoma. … [Read more...]
keratinocyte growth factor
A natural substance that stimulates the growth of epithelial cells in the skin and in the lining of the mouth, stomach, and intestines. A form of keratinocyte … [Read more...]
Karnofsky Performance Status
A standard way of measuring the ability of cancer patients to perform ordinary tasks. The Karnofsky Performance scores range from 0 to 100. A higher score means … [Read more...]