| 释义 | DictionarySeeneedle radium needle
 radium needle[′rād·ē·əm ‚nēd·əl]  (nucleonics) A radium cell in the form of a needle, usually of platinum-iridium or gold alloy, designed primarily for insertion in tissue.radium needle
 radium needleA slender tissue implant containing radium that is used to treat internal malignancies.See also: needle |