Term
| RBE (Relative biologic effectiveness) |
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Definition
| relative capabilities of radiation with differing LETs to produce a particular biologic reaction |
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Term
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Definition
| radiation interacts with DNA macromolecule, energy transferred could rupture one of its chemical bond |
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Term
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Definition
| loss or change of a base on DNA chain |
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Term
| Effects of Irradiation on entire cell |
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Definition
| Instant death, reproductive death, apoptosis, mitotic death, miotic death, interference with function |
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Term
| Linear energy transfer (LET) |
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Definition
| average energy deposited per unit of track |
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Term
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Definition
| radiation dose required to cause particular biologic response of cells or organisms in an oxygen deprived environment to the radiation dose required to cause identical response under normal oxygenated conditions |
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Term
| Two types of chromosome anomalies that have been observed at metaphase |
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Definition
| Chromosome aberrations, chromatid aberrations |
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Term
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Definition
| breaks rejoin in their original configuration with no visible damage |
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Term
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Definition
| Part of chromosome or chromatid is lost at next cell division |
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Term
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Definition
| grossly misshapen chromosome may be produced |
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Term
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Definition
| classic method of displaying the sensitivity of a particular type of cell to radiation |
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Term
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Definition
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Term
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Definition
| ionizing radiation adversely affects blood cells by depressing number of cells in peripheral circulation |
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Term
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Definition
| initiate blood clotting and prevent hemorrhage |
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Term
| Law of Bergonic and Tribondeau |
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Definition
| most pronounced radiation effects occur in cells with the least maturity nd specialization, the greatest reproductive activity, longest mitotic phases |
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Term
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Definition
| radiation damage resulting from discrete and random events |
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Term
| Direct Action Characteristics |
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Definition
| DNA, RNA, Proteins, Enzymes |
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Term
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Definition
| streams of particles called photos, has no mass and no charge |
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Term
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Definition
| double strand break in same rung of DNA ladder like structure |
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Term
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Definition
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