Trace Elements
| Medical Definition: |
A group of chemical elements that are needed in minute quantities for the proper growth, development, and physiology of an organism. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
| Guide Notes: |
GEN; /physiol permitted; see dictionary definition: do not coord with METALS for "trace metals" nor with MINERALS for "trace minerals"; do not confuse with "tracers" used for detection or with trace amounts of substances in tissue, food, etc. |
Trace Elements Categories.
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Boron - Boron. A trace element with the atomic symbol B, atomic number 5, and atomic weight 10.81. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY. |
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Silicon - Silicon. A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight 28.09. |
Trace Elements Medical Definitions and Terms
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