User contributions
11 June 2019
Hormones
Created page with "A class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and..."
Habitual nose breather
Created page with "A person who breathes entirely through the nose regardless of the exercise level. Such a person may switch to breathing oro-nasally (partly through the nose and partly through..."
Habitual mouth breather
Created page with "A person who breathes oro-nasally (partly through the nose and partly through the mouth) at all levels of exercise: sleep, sitting light exercise and heavy exercise. At 'heavy..."
Growth hormone (somatotropin)
Created page with "A peptide hormone that stimulates growth, cell reproduction, and cell regeneration. Growth hormone is synthesized, stored and secreted by somatotropic cells within the anterio..."
Growth fraction
Created page with "Proportion of viable cells in active cell division. (ICRP Publication 118, 2012) ''ICRP Glossary entry - June 2019''"
Granulocyte-macrophage colony-stimulating factor
Created page with "Cytokine that stimulates differentiation of progenitors into granulocytes, macrophages, and eosinophils. (ICRP Publication 118, 2012) ''ICRP Glossary entry - June 2..."
Granulocyte colony-stimulating factor
Created page with "Cytokine that stimulates differentiation of progenitor cells into granulocytes. (ICRP Publication 118, 2012) ''ICRP Glossary entry - June 2019''"
Gastrointestinal syndrome
Created page with "The signs and symptoms of intestinal failure; e.g. intestinal damage related to an acute exposure to ionising radiation with a threshold of about 10 Gy. Acute radiation syndro..."
ICRP Glossary
G
-23
Complex tissues
no edit summary
+123
Hierarchical tissues
Created page with "In hierarchical (Type H) tissues cells are arranged in a lineage ranging from stem cells to mature cells, and their dose-latency relationship is defined by the radiosensitivit..."
Flexible tissues
Created page with "In flexible (Type F) tissues all cells are assumed to have the potential for proliferation and are also engaged in tissue-specific functions. The pronounced dose-latency relat..."
Extrathoracic airways
Created page with "Part of the respiratory tract, consisting of the anterior nose (the ET1 region) and the posterior nasal passages, pharynx and larynx (the ET2 region). The oral part of the pha..."
Excretion rate (instantaneous)
Created page with "The instantaneous rate at which a radionuclide is removed in excreta (Bq s<sup>-1</sup>). (ICRP Publication 130, 2015) ''ICRP Glossary entry - June 2019''"
ICRP Glossary
E
+1
ICRP Glossary
E
+15
Epithelium
Created page with "Epithelium is one of the four basic types of tissues, along with connective tissue, muscle tissue and nervous tissue. Epithelial tissues line the outer surfaces of organs and..."
ICRP Glossary
D
-37
Direct bioassay
no edit summary
-209
Direct bioassay
no edit summary
+1
Direct bioassay
Created page with "Measurements of radioactive material in the human body utilizing instrumentation that detects radiation emitted from the radioactive material in the body. ([https://www.iso.or..."
Differentiation
Created page with "The process whereby stem cells enter a pathway of proliferation in which they acquire specialised functions. (Adapted from ICRP Publication 103, 2007) ''[[ICRP Glossary]..."
Diastasis
Created page with "The midportion of diastole, when the blood enters the ventricle slowly or ceases to enter. Diastasis duration is in inverse proportion to heart rate and is absent at very high..."
Cytokines
Created page with "Cytokines are a broad category of small proteins (~5–20 kDa) that are important in cell signaling. Their release has an effect on the behavior of cells around them. ''IC..."
Complex tissues
Created page with "Cell populations in which function and proliferation take place in the same cells (otherwise called ‘flexible tissues’ or ‘conditional renewing tissues’). (ICRP Publ..."
Clonogenic survival
Created page with "Defined as the fraction of cells that survive following exposure to, or treatment with, an agent that causes cell death. Only cells that are able to form colonies (clonogenic..."
Clonogenic cells
Created page with "Cells that have the capacity to produce an expanding family of descendants (usually at least 50). Also called ‘colony-forming cells’ or ‘clonogens’. (ICRP Publicatio..."
ICRP Glossary
C
-18
Bronchial region
Created page with "Part of the respiratory tract, consisting of the trachea (generation 0) and bronchi, airway generations 1 through 8. ''ICRP Glossary entry - June 2019''"
Bone marrow
Created page with "Bone marrow, a semi-solid tissue located within the spongious portions of bones, is the primary site of new blood cell production or hematopoiesis. It is composed of hematopoi..."
Biomedical research volunteer
no edit summary
+1
Basal cell
Created page with "Cuboidal epithelial cells attached to the basement membrane of epithelial structure typically found at the deepest layer of skin, internal cavity or duct like alimentary tract..."
ICRP Glossary
B
+17
Alimentary tract transfer factor
Created page with "Fraction of activity entering the alimentary tract that is absorbed into blood, taking no account of losses due to radioactive decay or endogenous input of activity into the t..."
Air-kerma, entrance surface
no edit summary
-1
Air-kerma, entrance surface
no edit summary
+41
Aerodynamic diameter
no edit summary
+11
Forbiddenness
no edit summary
+1
Effective charge number
no edit summary
+1
ICRP Glossary
A
-23
ICRP Glossary
T
+25
Absorption Type
Intern moved page Absorption Type to Types of materials
Types of materials
Intern moved page Absorption Type to Types of materials
mEffective half-life
no edit summary
+27
Effective half-life
no edit summary
+14
10 June 2019
ICRP Glossary
W
-35
Waste disposal
Created page with "Emplacement of waste in an appropriate facility without the intention of retrieval. Note: occasionally, disposal is used to include discharge of effluents to the environment (..."
Unsealed source
Created page with "Radioactive material that is in a readily dispensable form i.e. neither permanently sealed in a capsule nor incorporated in a solid form. (Adapted from [https://www.iaea.org/r..."
Trapped particles
Created page with "Particles trapped in the Earth's magnetic field as a result of the interaction of galactic cosmic radiation and solar cosmic radiation with the Earth´s magnetic field and the..."
ICRP Glossary
T
-13