ICRP Glossary

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

A

• Accelerated fractionation

• Acceptance test

• Access Control

• Accountability

• Action Level

• Active (red) bone marrow

• Activity median thermodynamic diameter

• Acute Exposure

• Adventitious

• Adventitious Source

• Aerodynamic diameter

• Air-kerma rate constant

• Air-kerma, entrance surface

• Air-kerma, incident

• Air-kerma, product

• Alimentary tract

• Alimentary tract transfer factor

• Alpha decay

• α/β ratio

• Alveolar-interstitial region

• Angiogenesis

• Annihilation photons

• Annual dose

• Area monitoring

• Auger transition

• Authorised Discharge

• Authorization

• Authorized limit

• Autoimmune disease

• Autonomy

• Averted dose

B

• Background dose (rate)

• Backscatter Factor

• Basal cell

• Beneficence

• Benthic

• Best Available Techniques

• Beta-minus decay

• Beta-plus decay

• Bioassay

• Biomedical research volunteer

• Bioturbation

• Bone marrow

• Bradycardia

• Branching fraction

• Bronchial region

• Bystander effect

C

• Cardiac arrhythmias

• Cardiac valve diseases

• Cardiomyopathy

• Cardioverter-defibrillator

• Categories of exposure

• Cell death

• Chronic exposure

• Class SR-0 gases

• Class SR-1 gases

• Class SR-2 gases

• Clearance level

• Clonogenic cells

• Clonogenic survival

• Co-expertise

• Colony

• Committed effective dose

• Committed equivalent dose

• Complex tissues

• Computed tomography dose index

• Conditional renewing (complex or flexible) tissues

• Connective tissue

• Consequential late effects

• Constancy test

• Contamination

• Coronary heart disease

• Cost-benefit analysis

• Coster-Kronig transition

• Curie

• Cytokines

D

• Decay constant

• Decommissioning

• Decontamination

• Decontamination factor

• Defence-in-depth

• Deontological Ethics

• Diastasis

• Dichotomous

• Differentiation

• Dignity

• Direct bioassay

• Disposal

• Disposal Facility

• DNA damage signalling

• Dose constraint

• Dose criteria

• Dose equivalent in an organ or tissue

• Dose limit

• Dose Modifying Factor

• Dose per unit intake coefficient

• Dose rate

• Dose rate effectiveness factor

• Dosemeter/dosimeter

• Dose-rate effect

• Dose–response function

• Dose-threshold

E

• Early normal tissue responses

• Edema

• Effect Dose 50

• Effective charge number

• Effective dose equivalent

• Effective half-life

• Electron-capture decay

• Electrophysiology

• Emergency

• Emergency exposure situation

• Emergency plan

• Emergency preparedness

• Emergency procedures

• Endogeneous excretion

• Environmental exposure

• Environmental radiation protection

• Epithelium

• Equity

• Equivalent dose

• Erythropoietin

• Ethics

• Excretion rate (instantaneous)

• Exempt waste

• Exemption level

• Existing exposure situation

• Exponential survival curve

• Exposure, external or internal

• Exposure Pathway

• Exposure situation

• Extrathoracic airways

F

• Fairness

• Field-size effect (Volume effect)

• Flexible tissues

• Fluoroscopically guided interventions

• Forbiddenness

• Fractionation

• Fractionation sensitivity

G

• Galactic cosmic radiation

• Gamma ray

• Gastrointestinal syndrome

• Graded approach

• Granulocyte colony-stimulating factor

• Granulocyte-macrophage colony-stimulating factor

• Growth fraction

• Growth hormone (somatotropin)

H

• Habitual mouth breather

• Habitual nose breather

• Half-life, physical

• Hazard

• Health Surveillance

• Heliosphere

• Hierarchical tissues

• High level waste

• Hormones

• Hyperbaric oxygen

• Hypertrophic cardiomyopathy

• Hypoplasia

I

• Immune system

• In vivo radiobioassay

• Incident

• Inclusiveness

• Individual decontamination

• Individual dose restriction

• Individual monitoring

• Informed Consent

• Ingestion exposure planning zone

• Inhalability

• Inner bremsstrahlung

• Institutional control

• Intermediate level waste

• Internal conversion electron

• Interphase death

• Intervention Level

• Interventional procedure

• Investigation level

• Iso-effect plots

• Isomers

• Isotropic geometry

• Itinerant (radiation) worker

J

• Justice

• Justification

K

• Kp index

L

• Latent time/period or latency interval

• Limitation of dose

• Lineal energy

• Linear-non-threshold model

• Low Earth orbit

• Low level waste

• Lymphatic system

M

• Macrophage colony stimulating factor

• Magnetosphere

• Medical exposure

• Member of the public

• Mendelian diseases

• Mitigation

• Monitoring

• Multistage tumorigenesis

• Myocardial perfusion

N

• Natural environment

• Naturally occurring radioactive material

• Necrosis

• Neurological syndrome

• Neurovascular syndrome

• Non-maleficence

• Non-sphericity parameter

• Nuclear track detectors

O

• Occupational exposure

• Operational intervention level

• Optimisation

• Orphan source

• Oversight

P

• Particle radiance

• Patient entrance reference point

• Peak skin dose

• Pelagic

• Percutaneous coronary intervention

• Pericarditis

• Pharynx

• Planned exposure situation

• Platelet-derived growth factor

• Potential exposure

• Practical radiological protection culture

• Precautionary principle

• Precautionary principle

• Prevailing circumstances

• Principle of application of dose limits

• Principle of justification

• Principle of optimisation

• Procedural values

• Progenitor cell

• Programmed cell death

• Projected dose

• Protection strategy

• Protective action

• Protective action guide

• Protective clothing

• Prudence

• Public exposure

Q

• Qualified expert

R

• Rad

• Radiation belt

• Radiation detriment

• Radiation modifier

• Radiation safety officer

• Radiation Source

• Radiation worker

• Radioactive dispersion device

• Radioactive source

• Radioactive substance

• Radioactivity

• Radiofrequency ablation

• Radiographer

• Radiological Controlled Area

• Radiological protection principles

• Radiological survey

• Radionuclides of natural origin

• Radioresponsiveness

• Radiosensitiser

• Radiosensitivity, cellular

• Reasonableness

• Recovery

• Recovery responder

• Red (bone) marrow

• Reference bioassay function

• Reference biokinetic model

• Reference level

• Reference Man

• Rehabilitation

• Rehabilitation of living conditions

• Relocation

• Remedial action

• Remediation

• Repopulation

• Representative organism (non-human biota)

• Representative person

• Reproductive integrity

• Residual dose

• Respiratory protection

• Retrievability

• Reversibility

• Right to know

• Rigidity threshold

• Rigidity

• Risk constraint

• Routine monitoring

S

• Safety case

• Safety culture

• Scintigraphy

• Self-help protection

• Senescence

• Slow repair

• Soft tissue

• Solar cosmic radiation

• Solar cycle

• Solar particle event

• Solar wind

• Source term

• Source-related

• South Atlantic anomaly

• Special (non-routine) monitoring

• Spontaneous fission

• Stakeholder

• Stenosis

• Storage

• Stress test

• Stroke

• Subcutaneous tissue

• Substantial radiation dose level

• Supervised Area

• Syndrome

• System of radiological protection

• Systemic model

T

• Tachycardia

• Target cell

• Target region

• Target tissue

• Telangiectasia

• Thermodynamic diameter

• Threshold dose for tissue reactions

• Thyroid blocking

• Time factor

• Tissue equivalent material

• Tolerability

• Trabecular (bone) marrow

• Track structure

• Transfer compartment

• Transfer rate

• Transforming growth factor

• Transit cells

• Transparency

• Trapped particles

• Type of exposure situations

• Types of materials

U

• Unsealed source

• Utilitarian ethics

V

• Value judgement

• Valvular heart disease

• Virtue ethics

W

• Waste disposal

• Wisdom

X

• X ray

• Xerostomia

Y

Z