| D009656 |
North America |
The northern continent of the Western Hemisphere, extending northward from the Colombia-Panama border and including CENTRAL AMERICA, MEXICO, Caribbean area, the UNITED STATES, CANADA and GREENLAND. The term often refers more narrowly to MEXICO, continental UNITED STATES, AND CANADA. |
Northern America |
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| D009683 |
Nuclear Medicine |
A specialty field of radiology concerned with diagnostic, therapeutic, and investigative use of radioactive compounds. |
Atomic Medicine,Nuclear Radiology,Medicine, Atomic,Medicine, Nuclear,Radiology, Nuclear |
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| D009688 |
Nuclear Reactors |
Devices containing fissionable material in sufficient quantity and so arranged as to be capable of maintaining a controlled, self-sustaining NUCLEAR FISSION chain reaction. They are also known as atomic piles, atomic reactors, fission reactors, and nuclear piles, although such names are deprecated. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Nuclear Reactor,Reactor, Nuclear,Reactors, Nuclear |
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| D011849 |
Radioactive Tracers |
Radioactive substances added in minute amounts to the reacting elements or compounds in a chemical process and traced through the process by appropriate detection methods, e.g., Geiger counter. Compounds containing tracers are often said to be tagged or labeled. (Hawley's Condensed Chemical Dictionary, 12th ed) |
Radioactive Tracer,Radionuclide Tracer,Radionuclide Tracers,Tracer, Radioactive,Tracer, Radionuclide,Tracers, Radioactive,Tracers, Radionuclide |
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| D011868 |
Radioisotopes |
Isotopes that exhibit radioactivity and undergo radioactive decay. (From Grant & Hackh's Chemical Dictionary, 5th ed & McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Daughter Isotope,Daughter Nuclide,Radioactive Isotope,Radioactive Isotopes,Radiogenic Isotope,Radioisotope,Radionuclide,Radionuclides,Daughter Nuclides,Daugter Isotopes,Radiogenic Isotopes,Isotope, Daughter,Isotope, Radioactive,Isotope, Radiogenic,Isotopes, Daugter,Isotopes, Radioactive,Isotopes, Radiogenic,Nuclide, Daughter,Nuclides, Daughter |
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| D011876 |
Radionuclide Generators |
Separation systems containing a relatively long-lived parent radionuclide which produces a short-lived daughter in its decay scheme. The daughter can be periodically extracted (milked) by means of an appropriate eluting agent. |
Radioisotope Generators,Generator, Radioisotope,Generator, Radionuclide,Generators, Radioisotope,Generators, Radionuclide,Radioisotope Generator,Radionuclide Generator |
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| D005060 |
Europe |
The continent north of AFRICA, west of ASIA and east of the ATLANTIC OCEAN. |
Northern Europe,Southern Europe,Western Europe |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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