Radiobiology
Radiobiology
Radiobiology (pronounced: /ˌreɪdioʊbaɪˈɒlədʒi/), also known as radiation biology, is a field of clinical and basic medical sciences that involves the study of the action of ionizing radiation on living things.
Etymology
The term "Radiobiology" is derived from three words: 'Radio' from radiation, 'bio' from biology, and 'logy' from the Greek word 'logia' meaning 'study of'.
Definition
Radiobiology is the study of the effects of ionizing radiation on biological tissues. The damage caused by ionizing radiation is dependent on the type of radiation, the dose, the rate of delivery, and the tissue type.
Related Terms
- Ionizing radiation: Ionizing radiation is a type of energy released by atoms that travels in the form of electromagnetic waves (gamma or X-rays) or particles (neutrons, beta or alpha). The destabilization of atoms can lead to changes in the cells and tissues they hit, which can in turn lead to disease.
- Radiation therapy: Radiation therapy or radiotherapy is therapy using ionizing radiation, generally as part of cancer treatment to control or kill malignant cells and normally delivered by a linear accelerator.
- Radiation protection: Radiation protection, also known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to ionizing radiation, and the means for achieving this".
- Radiation sickness: Radiation sickness, also known as radiation poisoning, is a disease that results from excessive exposure to ionizing radiation.
- Radiation oncology: Radiation oncology is a medical specialty that involves the controlled use of radiation to treat cancer either for cure, or to reduce pain and other symptoms caused by cancer.
- Radiation dose: A radiation dose is the amount of radiation energy absorbed by the body.
- Radiation effects: Radiation effects refer to the physical and biological effects that result from the exposure of living organisms to radiation.
External links
- Medical encyclopedia article on Radiobiology
- Wikipedia's article - Radiobiology
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