| AgNOR | silver-staining nucleolar organizer region |
|---|---|
| arg | arginine; silver [Lat. argentum] |
| GMS | General Medical Service; geriatric mental state; Gilbert-Meulengracht syndrome; Gomori methenamine s... |
| PASM | periodic acid-silver methenamine |
| PA-T-SP | periodic acid-thiocarbo-hydrazide-silver proteinate |