| iron haematoxylin | Unique ferric lakes of haematein that produce deep blue-black stains; useful for studies of cytologic detail, such as chromosomes, spindle fibres, Golgi apparatus, myofibrils, and mitochrondria; also useful to demonstrate Entamoeba histolytica. See: Heidenhain's iron haematoxylin stain, Weigert's iron haematoxylin stain. (05 Mar 2000) |
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| Ehrlich's acid haematoxylin stain | <technique> An alum type of haematoxylin stain used as a regressive staining method for nuclei, followed by differentiation to required staining intensity; the solution may be allowed to ripen naturally in sunlight or partially oxidised with sodium iodate. (05 Mar 2000) |