User contributions
10 June 2019
Lymphatic system
Created page with "Part of the vascular system and an important part of the immune system, comprising a network of fine lymphatic vessels that collects tissue fluids from all over the body which..."
ICRP Glossary
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-25
Interventional procedure
Created page with "Medical procedures performed under medical imaging (e.g. fluoroscopic, CT, US or MRI) guidance. (also see “fluoroscopic guided procedures”) ''ICRP Glossary entry -..."
ICRP Glossary
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-29
Immune system
Created page with "A host defense system comprising many biological structures and processes within an organism that protects against disease. An immune system detects a wide variety of agents,..."
Hypertrophic cardiomyopathy
Created page with "Increased muscle thickening in the heart leading to less effective pumping of the blood. (Adapted from ICRP Publication 118, 2012) ''ICRP Glossary entry - May 2019''"
Hyperbaric oxygen
Created page with "High oxygen pressures (2–3 atmospheres), which can be used to enhance tissue oxygen availability in radiotherapy. (Adapted from ICRP Publication 118, 2012) ''ICRP Gl..."
Fluoroscopically guided interventions
Created page with "Minimal invasive procedures comprising fluoroscopic guided therapeutic and diagnostic interventions, by percutaneous, endoscopic or other access, usually performed under local..."
Erythropoietin
Created page with "Cytokine that stimulates red blood cell production (erythropoiesis) in the bone marrow. It regulates erythrocyte levels and stimulates late erythroid progenitor cells to form..."
Endogeneous excretion
Created page with "Excretion of materials originating from body fluids; e.g. into the gastrointestinal system, the biliary system or the renal collecting system. ''ICRP Glossary entry - M..."
Electrophysiology
Created page with "Electrophysiology is the branch of physiology that involves the study of electrical activities within the body and the effects of these electrical activities; e.g. image guide..."
DNA damage signalling
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+2
DNA damage signalling
Created page with "Interacting biochemical processes which recognise and respond to DNA damage in cells, e.g., by causing the arrest of the reproductive cell cycle. (ICRP Publication 103, 2007..."
7 June 2019
ICRP Glossary
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-29
Coronary heart disease
Created page with "Narrowing of the coronary arteries which supply oxygenated blood to the heart muscles. Symptoms depend on the degree of narrowing and on whether the narrowing is acute or prog..."
ICRP Glossary
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-25
Connective tissue
Created page with "The tissues of the body that bind together and support various structures of the body. Examples are ligaments, tendons, bone, cartilage, and muscle. (Adapted from ICRP Publi..."
Cardioverter-defibrillator
Created page with "A battery powered device typically implanted similarly to a pacemaker, which can monitor heart rate and rhythm and deliver electrical therapy such as shocks in response to sus..."
Cardiomyopathy
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+1
Cardiomyopathy
Created page with "A disease of the heart muscle that often, but not always, results in a weakening of the pumping strength and dilatation or thickening (hypertrophy) of the left ventricle. (Ada..."
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..."