| 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) |
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| 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) |