Glossary

Intensity-modulated radiotherapy – a type radiation where the volume of tissue treated with the radiation is precisely determined using sophisticated collimators to shape multiple beams of radiation to tightly fit the target’s boundaries. The radiation is then delivered with multiple beams under computer guidance control that precisely defines what is irradiated and what is spared radiation.

Intramedullary spinal cord tumor. Refers to a tumor confined to the interior of the spinal cord.

Intramedullary spinal cord tumors. Refers to tumors confined to the interior of the spinal cord.

The amount of an infective organism that a host is exposed to at the time of an infection.

Pertaining to the alteration of force or speed of a muscle’s contraction.

International Normalized Ratio.  A test that determines the time for a sample of blood to clot.

INR.  A test that determines the time for a sample of blood to clot.

Inside of, as in intramedullary spinal cord tumor which refers to a tumor inside of the spinal cord.

Using electrodiagostic technology such as evoked potentials to monitor CNS function during surgery.

The use of electrodiagnostic testing technology such as evoked potentials to follow the nervous system’s function.