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rabies |
A fatal, if untreated, viral disease of mammals that's spread to humans by the bite of infected animal. |
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rad |
Radiation absorbed dose. A unit of measurement of the absorbed dose of ionizing radiation. |
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radiculopathy |
A disease or other problem affecting a nerve root |
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radioisotope |
A radioactive form of an element. Used in certain diagnostic tests |
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radiology |
The branch of medicine that deals with the use of x-rays. |
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radon |
A colorless, radioactive gas produced by the decay of radium. The presence of sufficient quantities of this gas in homes is linked with the development of lung cancer |
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rash |
Visual marks or spots that appear on the skin. |
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Raynaud's phenomenon |
A circulation disorder characterized by changes of blood flow, resulting in the hands and feet becoming pale, followed by redness and pain. This condition may be caused by cold, vibrations or emotions |
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recrudescence |
To reoccur after a temporary absence. |
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rectum |
The last portion of the large intestine |
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