polyanion

Macromolecule carrying many negative charges. The commonest in cell-biological systems is nucleic acid.

polyanion

<biochemistry> Macromolecule carrying many negative charges. The commonest in cell biological systems is nucleic acid. ... (11 Jan 1998) ...
Found on http://www.encyclo.co.uk/local/20973

polyanion

Type: Term Pronunciation: pol′ē-an′ī-on Definitions: 1. Anionic sites on proteoglycans in the renal glomeruli that restrict filtration of anionic molecules and facilitate filtration of cationic proteins; loss of polyanion may cause albuminuria in lipoid nephrosis.
Found on http://www.medilexicon.com/medicaldictionary.php?t=70802
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