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Readily affected by radiation. Cf.:radioresistant.
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ra·dio·sen·si·tive .rād-ē-ō-'sen(t)-sət-iv, -'sen(t)-stiv adj sensitive to the effects of radiant energy <\radiosensitive cancer cells> compare RADIORESISTANT
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adj.
describing certain forms of cancer cell that are particularly susceptible to radiation and are likely to be dealt with successfully by radiotherapy.
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ra·dio·sen·si·tive (ra″de-o-senґsĭ-tiv) sensitive to radiant energy, such as x-ray or other radiation; said of skin, tumor tissue, etc.Medical dictionary. 2011.