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| rays, that in proper dosages, can be used to treat certain diseases. |
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| the negative electrodes in the tube head |
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| the positive electrons in the tube head |
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| the focal spot of the anode that attracts the stream of free electrons as they leave the cathode. X-rays are produced from the target point. |
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| measure of radiation. Radiant energy of short wavelength discovered by Wilhelm Conrad Roentgen. |
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| Negative charged particle of the atom. |
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Definition
| an atom that has acquired a negative electric charge by gaining or losing electrons from its initial electrically neutral configuration |
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Definition
| (MA) one thousandth (1/1000 of any ampere) controls the number of electrons released |
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Definition
| all radiation produced directly from the target in an xray tube. comprising the useful beam |
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Definition
| the escape of radiation through the protective shielding of the xray unit tube head. Detected at sides, top, bottom, or back of tube. (not including useful beam) |
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| Radiation whose direction has been altered. It may include secondary and stray radiation. |
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| the new radiation created by primary radiation acting on or passing through matter. |
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Definition
| less dense tissue that will permit radiation to pass through onto dental film. |
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| Tissue or material that will not allow the x-radiation to pass through on the film. |
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| unit of ionizing radiation absorbed by the tissues at a specific point. |
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Definition
| an electromagnetic radiation of short wave length, emitted by the nucleus of an atom during a nuclear reaction. Natural source of radiation. |
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Definition
| positively charged subatomic particles |
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Definition
| Develops the voltage potential between the cathode and the anode. |
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