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Pronunciation: nik'el

Definition: A metallic bioelement, atomic no. 28, atomic wt. 58.6934, closely resembling cobalt and often associated with it. Protects ribosome structure against heat denaturation. A deficiency of nickel causes changes in the ultrastructure of the liver. It is a cofactor in various henzymes (urease).

[abbrev. fr. Ger. kupfer-nickel, name of copper-colored ore from which nickel was first obtained; nickel, the Ger. word for a dwarfish imp]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.