User contributions
11 June 2019
ICRP Glossary
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Systemic model
Created page with "Model describing the behaviour of radionuclides absorbed into blood, the distribution and retention in various organs and tissues, and the subsequent excretion from the body b..."
ICRP Glossary
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Myocardial stress test
Created page with "A standardised procedure for assessing the effect of stress on cardiac haemodynamics, electrical activity, perfusion, and/or function. Stress may be induced by exercise or sim..."
ICRP Glossary
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ICRP Glossary
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Routine monitoring
Created page with "Measurement of dose or contamination for the purpose of the assessment or control of exposure to radiation or radioactive material, and the interpretation of the results. It i..."
Respiratory protection
Created page with "The use of a device worn on the face or head to prevent or minimise the inhalation of radionuclides. ''ICRP Glossary entry - June 2019''"
ICRP Glossary
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ICRP Glossary
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Radiation safety officer
Created page with "A person responsible for the safe use of radiation and radioactive materials as well as regulatory compliance who is designated by the registrant or licensee to oversee the ap..."
ICRP Glossary
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ICRP Glossary
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Protective action guide
Created page with "A preset value of radiological quantity (e.g. radionuclide concentration in air, ambient dose rate) which would warrant initiation of protective actions to reduce exposure of..."
ICRP Glossary
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ICRP Glossary
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ICRP Glossary
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Limitation of dose
Created page with "The use of controls (in terms of doses) over the exposure of an individual to ensure that the radiation risk is acceptable. ''ICRP Glossary entry - June 2019''"
Investigation level
Created page with "A value of a quantity above which the cause or the implications of the result should be examined. Note that investigation levels are often set in terms of readily measurable q..."
Inhalability
Created page with "Fraction of particles that enters the nose and mouth, of those present in the volume of ambient air before inspiration. (ICRP Publication 130, 2015) ''ICRP Glossary..."
ICRP Glossary
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Individual-related
Created page with "Of, or relating to, the radiation exposure of a specific individual. It is contrasted with another term, “source-related”. Note that this term is used when the assessment..."
ICRP Glossary
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Individual monitoring
Created page with "Monitoring using measurements taken from devices worn by individuals, or measurements of quantities of radioactive substances in or on individuals, or measurements of quantiti..."
ICRP Glossary
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Dose-threshold
Created page with "A dose level above which a given health effect is expected to result. For a tissue reaction (or deterministic effect), ICRP takes the dose threshold at a dose level where 1% o..."
ICRP Glossary
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ICRP Glossary
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Class SR-2 gases
Created page with "Highly soluble and reactive gases and vapours. (ICRP Publication 119, 2012) ''ICRP Glossary entry - June 2019''"
Class SR-1 gases
Created page with "Soluble and reactive gases and vapours. (ICRP Publication 119, 2012) ''ICRP Glossary entry - June 2019''"
Class SR-0 gases
Created page with "Insoluble and non-reactive gases and vapours. (ICRP Publication 119, 2012) ''ICRP Glossary entry - June 2019''"
Xerostomia
Created page with "Dryness of the mouth caused by malfunctioning salivary glands or composition of saliva. Xerostomia is also known to be caused by radiotherapy of the head and neck region. (I..."
Valvular heart disease
Created page with "Heart disease due to one or more abnormal heart valves. Abnormally narrowed or leaky heart valves can interfere with the heart’s ability to push blood forward from chamber t..."
ICRP Glossary
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Transforming growth factor
Created page with "A cytokine that regulates many of the biological processes essential for embryo development and tissue homeostasis, and which therefore plays a role in tissue healing. The eff..."
ICRP Glossary
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Time factor
Created page with "Describes the change in iso-effective total dose for local tumour control or normal tissue complications that follows a change in the overall treatment duration. (ICRP Publi..."
ICRP Glossary
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ICRP Glossary
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Subcutaneous tissue
Created page with "Loose fibrous tissue situated directly below the skin. It includes blood vessels, connective tissue, muscle, fat and glands. In the context of intake through wounds, it repres..."
ICRP Glossary
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ICRP Glossary
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Slow repair
Created page with "Long-term recovery that takes place on a time scale of weeks to months, often associated with long-term intracellular repair of DNA double strand breaks. (Adapted from ICRP..."
Reproductive integrity
Created page with "Ability of cells to divide many times and thus be ‘clonogenic’. (ICRP Publication 118, 2012) ''ICRP Glossary entry - June 2019''"
ICRP Glossary
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Radiosensitivity, cellular
Created page with "The sensitivity of cells to ionising radiation in vitro. Usually indicated by the surviving fraction at 2 Gy (i.e. SF<sub>2</sub> or by the parameters of the linear-quadratic..."
Radiosensitiser
Created page with "In general, any agent that increases the sensitivity of cells to radiation. Commonly applied to electron-affinic chemicals that mimics oxygen in fixing free radical damage, al..."
ICRP Glossary
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Radiographer
Created page with "Radiographers use medical x-ray equipment to produce images of the tissues, organs, bones, and vessels of the body, as prescribed by physicians, to assist in the diagnosis of..."
ICRP Glossary
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