BioScience Dictionary

 
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Ot.

Found Radiation 5 times.

Displaying results 1 to 10.

1. Radiation
* In evolution , the process through which a group of species diverge from a single ancestral form. * General term referring to the emission of electromagnetic waves (e.g. heat, light. etc.) or particles (e.g. neutrons) from from a material.

2. Radiation oncology
The medical study of the use of radiation ( x-ray s, gamma ray s or electron s) to destroy cancer s.

3. Radiation therapy
The use of x-ray s, gamma ray s, or electron s to destroy cancerous tissue.

4. Radiation therapy (radiotherapy)
Radiation therapy is a form of treatment for cancer or abnormal growth by irradiating the target with radioactive material which can be gamma ray s, electron s, alpha particle s, and positron s. Common side effects are: patients usually feel very tired during treatment. The radiated tissue looses texture, becomes red (erythematous) , hard and itchy (desquamated) ; towards the end, it can be moist and weepy. Ulceration and necrosis may be seen. Some organs in the field of radiation may be affected, e.g. pulmonary fibrosis from the treatment of breast cancer, radiation enteritis from radiation for intra-abdominal malignancies.

5. Radiation
Energy emitted from the unstable nuclei of radioactive isotopes .

View web definitions »

Learn more about Radiation »