| D007477 |
Ions |
An atom or group of atoms that have a positive or negative electric charge due to a gain (negative charge) or loss (positive charge) of one or more electrons. Atoms with a positive charge are known as CATIONS; those with a negative charge are ANIONS. |
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| D007700 |
Kinetics |
The rate dynamics in chemical or physical systems. |
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| D011851 |
Radioactivity |
The spontaneous transformation of a nuclide into one or more different nuclides, accompanied by either the emission of particles from the nucleus, nuclear capture or ejection of orbital electrons, or fission. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
Nuclear Decay,Radioactive Disintegration,Decay, Nuclear,Disintegration, Radioactive,Disintegrations, Radioactive,Radioactive Disintegrations,Radioactivities |
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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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| D001692 |
Biological Transport |
The movement of materials (including biochemical substances and drugs) through a biological system at the cellular level. The transport can be across cell membranes and epithelial layers. It also can occur within intracellular compartments and extracellular compartments. |
Transport, Biological,Biologic Transport,Transport, Biologic |
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| D012964 |
Sodium |
A member of the alkali group of metals. It has the atomic symbol Na, atomic number 11, and atomic weight 23. |
Sodium Ion Level,Sodium-23,Ion Level, Sodium,Level, Sodium Ion,Sodium 23 |
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| D012979 |
Sodium Radioisotopes |
Unstable isotopes of sodium that decay or disintegrate emitting radiation. Na atoms with atomic weights 20-22 and 24-26 are radioactive sodium isotopes. |
Radioisotopes, Sodium |
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| D012982 |
Sodium, Dietary |
Sodium or sodium compounds used in foods or as a food. The most frequently used compounds are sodium chloride or sodium glutamate. |
Dietary Sodium |
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