radioresistance /ra·dio·re·sis·tance/ (-re-zis´tins) resistance, as of tissue or cells, to irradiation.radioresist´ant
radioresistance
radioresistance (rā´dēōrēzis´t
ns),
radioresistance
radioresistance
[-risis′təns]
Etymology: L, radiare + resistare, to withstand
the ability of cells, tissues, organs, organisms, chemical compounds, or any other substances to remain unchanged by radiation. Compare radiosensitivity. radioresistant, adj.
radioresistance (rā´dēōrēzis´t
ns),n the relative resistance of cells, tissues, organs, or organisms to the injurious effects of ionizing radiation. See also radiosensitivity.
radioresistance
resisting the effects of radiation, especially in reference to the treatment of malignancy.
radioresistance
Radiation oncology The relative resistance of cells and tissues to irreversible damage by radiation; RR is greatest in terminally differentiated tissues–eg, bone, cartilage, muscle, peripheral nerve, and in certain
tumors–eg, glioma, melanoma, renal cell carcinoma, sarcoma. Cf Radiosensitivity.
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