| 单词 |
radiotracer |
| 释义 |
radiotracer
ra·di·o·trac·er R0017400 (rā′dē-ō-trā′sər)n. A radioactive tracer.radiotracer (ˈraɪdɪəʊˌtreɪsə) na radioactive marker used as a tracer
radiotracer
radiotracer[¦rād·ē·ō′trā·sər] (nucleonics) radioactive tracer radiotracer
tracer [trās´er] 1. a means or agent by which certain substances or structures can be identified or followed, as a radioactive tracer.2. a mechanical device by which the outline of an object or the direction and extent of movement of a part may be graphically recorded; see also tracing.3. a dissecting instrument for isolating vessels and nerves.radioactive tracer a radioactive isotope replacing a stable chemical element in a compound (said to be radiolabeled) and so able to be followed or tracked through one or more reactions or systems by means of a radiation detector; used especially for such a compound that is introduced into the body for study of the compound's metabolism, distribution, and passage through the body.ra·di·o·tra·cer (rā'dē-ō-trā'sĕr), A radionuclide or radiolabeled chemical; a radioactive tracer.ThesaurusSeetracer |
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