Ultratrace element

In biochemistry, an ultratrace element is a chemical element that normally comprises less than one microgram per gram of a given organism (i.e. less than 0.0001% by weight), but which plays a significant role in its metabolism.

Possible ultratrace elements in humans include boron, silicon, nickel, and vanadium.

单词	Ultratrace element
释义	Ultratrace element 英语百科 Ultratrace element In biochemistry, an ultratrace element is a chemical element that normally comprises less than one microgram per gram of a given organism (i.e. less than 0.0001% by weight), but which plays a significant role in its metabolism. Possible ultratrace elements in humans include boron, silicon, nickel, and vanadium.
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