This is the dye most commonly used to stain connective tissue.
| Structures | Colour |
|---|---|
| Nuclei | black-brown |
| Cytoplasm | yellow-brown |
| Connective-tissue fibres - Collagen - Reticular - Elastic |
red - yellow |
| Muscle tissue | yellow |
| Erythrocytes | yellow |
| Weigerts iron hematoxylin | This dye is one of the hematoxylins, but stains much more intensively than hemalaun. It is used with van Gieson’s dye to stain cell nuclei. |
|---|---|
| Picro-fuchsin or Picro-thiacid mixture | This dye solution simultaneously stains connective tissue red and muscle tissue yellow (simultaneous stain). |
