initial radiation dose

См. также в других словарях:

• Radiation therapy — Radiation (medicine) redirects here. It is not to be confused with Radiation (pain) or Radiology. Radiation therapy Intervention ICD 10 PCS D ICD 9 CM …   Wikipedia

• Radiation hormesis — (also called Radiation homeostasis) is the hypothesis that chronic low doses of ionizing radiation are beneficial, stimulating repair mechanisms that protect against disease.Cite journal doi = 10.1038/421691a issn = 0028 0836 volume = 421 issue …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• Dose-volume histogram — (DVH), a concept used in radiation treatment planning[1]. DVHs were introduced by Goitein and Verhey in 1979 in a publication by Shipley et al.[2]. The purpose of a DVH is to summarize 3D dose distributions in a graphical 2D format. In modern… …   Wikipedia

• dose — 1. The quantity of a drug or other remedy to be taken or applied all at one time or in fractional amounts within a given period. Cf.:dosage (2). 2. In nuclear medicine, amount of energy absorbed per unit mass of irradiated material (absorbed d.) …   Medical dictionary

• radiation — 1. The act or condition of diverging in all directions from a center. 2. The sending forth of light, short radio waves, ultraviolet or x rays, or any other rays for treatment or diagnosis or for other purpose. Cf.:irradiation (2). 3. SYN:… …   Medical dictionary

• Dose-response relationship — Semi log plots of two agonists with different Kd. The dose response relationship, or exposure response relationship, describes the change in effect on an organism caused by differing levels of exposure (or doses) to a stressor (usually a… …   Wikipedia

• Image-guided radiation therapy — (IGRT) is the process of frequent two and three dimensional imaging, during a course of radiation treatment, used to direct radiation therapy utilizing the imaging coordinates of the actual radiation treatment plan. The patient is localized in… …   Wikipedia

• Nuclear and radiation accidents — This article is about nuclear and radiation accidents in general. For a list of military nuclear accidents, see List of military nuclear accidents. For a list of civilian nuclear accidents, see List of civilian nuclear accidents. For a discussion …   Wikipedia

• ionizing radiation injury — also called  radiation sickness          tissue destruction or changes caused by deeply penetrating electromagnetic waves of high frequency or subatomic particles (subatomic particle) that form positively and negatively charged particles in the… …   Universalium