| argyrol | A complex prepared by the reaction of silver oxide with either gelatin or serum albumin. Black shiny crystals liberate silver and it was formerly widely used as a topical anti-infective on mucous membranes. Contains from 19 to 25% silver, only a small fraction of which is ionizable. Can produce black or brown pigmentation due to deposition of reduced silver in the tissues. Synonym: argyrol, silvol. (05 Mar 2000) |
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| argyrophil | <pathology> Pertaining to tissue elements that are capable of impregnation with silver ions and being made visible after an external reducing agent is used. Synonym: argentophil, argentophile. Origin: G. Argyros, silver, + philos, fond (05 Mar 2000) |
| argyrophilic cell | <pathology> Cell's that bind silver salts but that precipitate silver only in the presence of a reducing agent. See: enteroendocrine cells. (05 Mar 2000) |
| argyrophilic fibre | Reticular connective tissue fibre's that react with silver salts and appear black microscopically. (05 Mar 2000) |
| argyrosis | <dermatology> Deposition of silver salts in the skin from excessive oral intake. Signs: permanent blue to bronze discolouration of the skin and mucosa that is darker in regions exposed to light. (27 Sep 1997) |