| radiosurgery |
A radiation therapy technique that delivers radiation directly to the tumor while sparing the healthy tissue. Also called radiation surgery and stereotactic external beam irradiation.
출처: www.stjude.org/glossary
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| radialis sign |
inability to close the fist without marked dorsal extension of the wrist, seen in hemiplegia; called also Str?pell's s.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| radioisotopic culture |
a bacterial culture in a medium containing 1 4 C-labeled carbohydrate. Metabolism is detected by the release of 1 4 CO 2 , offering earlier detection of growth than do conventional methods.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| radio frequency |
1. (Abbreviated RF.) The number of oscillations per second of the electric and magnetic fields in the radio portion of the electromagnetic spectrum, generally that portion between 10 4 and 10 12 Hz; specifically, the frequency of a given radio carrier wave. 2. In radio or radar, pertaining to a signal at the transmitted or received frequency, as opposed to a signal translated to a different frequency (IF signal) or detected (video signal).
출처: amsglossary.allenpress.com/glossary/browse
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| radiant |
1. Pertaining to the emission or the measurement of electromagnetic radiation. Compare luminous. 2. In describing auroras, a projected point of intersection of lines drawn coincident with auroral streamers, that is, the point from which the aurora seems to originate.
출처: amsglossary.allenpress.com/glossary/browse
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