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Refers to the effects of treatment with a drug. If the effects change when the dose of the drug is changed, the effects are said to be dose-dependent.
Describes side effects of a drug or other treatment that are serious enough to prevent an increase in dose or level of that treatment.
The strength of a treatment given over a period of time.
A person who determines the proper radiation dose for treatment.
Measurement of radiation exposure from x-rays, gamma rays, or other types of radiation used in the treatment or detection of diseases, including cancer.
A clinical trial in which the medical staff, the patient, and the people who analyze the results do not know the specific type of treatment the patient receives until after the clinical trial is over.
A genetic condition caused by having an extra chromosome 21 in some or all of the body’s cells. Down syndrome is marked by growth, developmental, and learning delays that vary from mild to severe. People with Down syndrome often have certain distinct physical features, such as a shorter-than-normal height, a flat face with a short nose, eyes that are slanted and almond-shaped, small ears, a short neck, a tongue that tends to stick out of the mouth, small hands and feet, and a deep line that goes across the palm of the hand. People with Down syndrome may also have muscle weakness, loose joints, heart defects, and other health problems.
In medicine, to remove fluid as it collects; or, a tube or wick-like device used to remove fluid from a body cavity, wound, or infected area.
The act of removing and replacing a medical implement.
Any substance, other than food, that is used to prevent, diagnose, treat or relieve symptoms of a disease or abnormal condition. Also refers to a substance that alters mood or body function, or that can be habit-forming or addictive, especially a narcotic.
