| impregnation | 1. <gynaecology> The act of fecundation or of rendering pregnant. 2. The process or act of saturation, a saturated condition. Origin: L. Impregnatio (18 Nov 1997) |
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| Gomori's silver impregnation stain | <technique> A reliable method for reticulin, as an aid in the diagnosis of neoplasm and early cirrhosis of the liver; the staining solution employs silver nitrate, potassium hydroxide, and ammonia water carefully prepared to avoid having silver precipitate. (05 Mar 2000) |
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| silver impregnation | Silver complexes employed to demonstrate reticulin in normal and diseased tissues, as well as neuroglia, neurofibrillae, argentaffin cells, and Golgi apparatus. (05 Mar 2000) |
| Foot's reticulin impregnation stain | <technique> A silver stain in which reticulin stains black and collagen stains golden brown; sections are floated on the surface of solutions to avoid contamination with silver debris. (05 Mar 2000) |