User contributions
7 June 2019
Cardiac valve diseases
Created page with "A variety of abnormalities to one or more of the four heart valves including stenosis and insufficiencies like mitral stenosis and tricuspid regurgitation. Diseases may be inb..."
Cardiac arrhythmias
Created page with "A condition in which hear rates are too slow (i.e. under 60 beats per minute), too fast (i.e. above 100 beats per minute) or irregular (e.g. atrial fibrillation), usually attr..."
Bradycardia
Created page with "A condition where an individual has a resting heart rate typically under 60 beats per minute. Depending on the heart rate and the presence or absence of symptoms or an underly..."
Biomedical research volunteer
Created page with "Person volunteered with full informed consent as a subject of biomedical research, e.g. causing radiation exposure of the subject. He/she may get or may not get a direct medic..."
ICRP Glossary
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-32
Autoimmune disease
Created page with "A condition arising from an abnormal immune response to a normal body part. Such a response results from the inability of the immune system to distinguish self from non-self...."
Angiogenesis
Created page with "Growth and development of new blood vessels, from pre-existing blood vessels, which can be mediated through tumour angiogenesis factor. Angiogenesis can be a normal physiologi..."
Alveolar-interstitial region
Created page with "The distal part of the respiratory tract, consisting of the respiratory bronchioles, alveolar ducts and sacs with their alveoli, and the interstitial connective tissue; i.e. t..."
Alimentary tract
Created page with "All structures, largely tubular, from mouth to anus in which ingested materialis transported and/or digested and possibly absorbed into the circulatory system. ''ICRP Glo..."
Adventitious
Created page with "Radiation exposure that is incidental to the use of, rather than a function of the design of, apparatus and devices emitting ionising radiation. (Adapted from ICRP Publicat..."
ICRP Glossary
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-136
Transfer compartment
Created page with "The compartment introduced for mathematical convenience into many of the biokinetic models previously used by ICRP to account for the translocation of radioactive material thr..."
Transfer rate
Created page with "Normalized time rate of transfer of a given material from one system (e.g. organ, organism, compartment, enclosure) to another. ''ICRP Glossary entry - May 2019''"
ICRP Glossary
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-7
Track structure
Created page with "Spatial patterns of energy deposition in matter along the track from the passage of ionising radiation. (ICRP Publication 103, 2007) ''ICRP Glossary entry - May 2019''"
ICRP Glossary
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-17
Threshold dose for tissue reactions
Created page with "Dose estimated to result in only 1% incidence of tissue reactions. (ICRP Publication 103, 2007) ''ICRP Glossary entry - May 2019''"
ICRP Glossary
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-65
Target region
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+4
Target region
Created page with "Organ or tissue region of the body in which a radiation absorbed dose in received. (ICRP Publication, 2015) ''ICRP Glossary entry - May 2019''"
ICRP Glossary
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+20
Target tissue
Created page with "Organs or tissues in the body for which tissue weighting factors are assigned in the effective dose. In many cases, each target tissue T corresponds to a single target region..."
Substantial radiation dose level
Created page with "An appropriately selected reference value used to trigger additional dose management actions during a procedure and medical follow-up for a radiation level that might produce..."
ICRP Glossary
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-173
Radiation modifier
Created page with "A substance (e.g. drug) which in itself does not evoke an effect on cells or tissues, but which changes the effect of radiation. (ICRP Publication 118, 2012) ''ICRP Gl..."
ICRP Glossary
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-130
Peak skin dose
Created page with "The maximum absorbed dose to the most heavily exposed localised region of skin (i.e. the localised region of skin that lies within the primary x-ray beam for the longest perio..."
Particle radiance
Created page with "The quotient of <math>d\dot{Φ}</math> by <math>dΩ</math>, where <math>d\dot{Φ}</math> ̇is the fluence rate of particles propagating within a solid angle <math>dΩ</math> a..."
ICRP Glossary
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-51
Non-sphericity parameter
Created page with "The ratio of surface area of a sphere to that of a non-spherical body of equal mass, i.e. η = A<sub>0</sub>/A. (with regard to ellipsoids, such non-spherical shapes are defin..."
ICRP Glossary
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-93
Linear-non-threshold model
Created page with "A dose-response model which is based on the assumption that, in the low dose range, radiation doses greater than zero will increase the risk of excess cancer and/or heritable..."
ICRP Glossary
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-37
Lineal energy
Created page with "The quotient of <math>ε_i</math> by <math>\bar{l}</math>, where <math>ε_i</math> is the energy imparted to the matter in a given volume by a single energy-deposition event..."
List of ICRP Publications on Radiological Protection in Healthcare
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-12
Application of ionising radiation in healthcare (old)
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-22
Information for healthcare providers (old)
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-91
Information for patients, family members, carers and the public (old)
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-67
6 June 2019
ICRP Glossary
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-24
Iso-effect plots
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+5
Iso-effect plots
Created page with "Doses for equal effect (e.g. ED<sub>50</sub>) plotted against dose per fraction or dose rate. (Publication 118, 2012) ''ICRP Glossary entry - May 2019''"
ICRP Glossary
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-184
Fractionation sensitivity
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-10
ICRP Glossary
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+18
Fractionation sensitivity
Created page with "The dependence of the iso-effective radiation dose on the dose per fraction. Usually quantified by the α/β ratio – a high fractionation sensitivity is characterised by a l..."
Fractionation
Created page with "The dose in radiotherapy based on the total dose divided into a particular number of (usually) daily or shorter treatments. (Adapted from ICRP Publication 118, 2012) ''[..."
ICRP Glossary
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-104
Exposure, external or internal
Created page with "The state or condition of being subject to irradiation. External exposure is exposure to radiation from a source outside the body and internal exposure is exposure to radiatio..."
ICRP Glossary
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-3
Equivalent dose
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+1