General Medical Terms

Hydrogen peroxide is a reactive compound used as a household disinfectant and, in concentrated forms, as an industrial bleaching or oxidizing agent.

Hydrolysis is a chemical reaction that uses water to break a larger molecule into smaller components, a process central to digestion.

Abnormal enlargement of the ureter caused by any blockage that prevents urine from draining into the bladder.

A substance that blocks an enzyme needed by the body to make cholesterol and lowers the amount of cholesterol in the blood.

A form of nutrition that is delivered into a vein.

Radiation treatment in which the total dose of radiation is divided into small doses and treatments are given more than once a day.

The most common type of kidney cancer.

Abnormally high body temperature.

Hyperthyroidism speeds up the body's metabolism through excess thyroid hormone, most often caused by Graves disease, an autoimmune condition affecting the thyroid gland.

Hypervascular describes tissue or a lesion that contains an unusually high number of blood vessels compared with surrounding normal tissue.

Radiation treatment in which the total dose of radiation is divided into large doses and treatments are given less than once a day.

A birth defect in which the opening of the urethra (the tube through which urine leaves the body) is not in its normal place.

Too little thyroid hormone.

ICD most often refers to an implanted device that corrects dangerous heart rhythms, though the same abbreviation also names an unrelated diagnostic coding system.

ICE is a combination chemotherapy regimen used for certain lymphomas that have returned or resisted earlier lines of treatment.

A radiolabeled monoclonal antibody that is used to treat certain types of B-cell non-Hodgkin lymphoma and is being studied in the treatment of other types of B-cell tumors.

Idiopathic describes a disease or condition that arises spontaneously without an identifiable cause, despite thorough evaluation.

A monoclonal antibody linked to a toxic substance.

One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.

One of a group of related proteins made by leukocytes (white blood cells) and other cells in the body.